(7x+3) (10x-14) HELP PLEASE

(7x+3) (10x-14) HELP PLEASE

Answers

Answer 1

Answer:

70[tex]x^{2}[/tex]+30x-140

Step-by-step explanation:

(7x+3) (10x-14)

70[tex]x^{2}[/tex]-98+30x-42

70[tex]x^{2}[/tex]+30x-42-98

70[tex]x^{2}[/tex]+30x-140

Answer 2

Answer:

x = 9

Step-by-step explanation:

These are vertical angles, and thus the angles are equal.

7x + 3 = 10x - 24

Combining like terms, we get

27 = 3x, so that x must be 9.

x = 9


Related Questions

Giving brainlist to whoever answers

Answers

Answer:

False

Step-by-step explanation:

[tex]V=bhw\\V=7.5*13*2\\V=195[/tex]

In the picture please help me ):D

I anwsers some maybe u can anwser the rest and tell me if I got the ones I anwserd right or wrong thank chu :]

Answers

Answer:

the first pic is 400 and the

second pic u got right its 500

Answer:

2. 400       1. 500    5.  160     3.  560

I went in order of the pictures so the numbers are weird.

How many solutions does the system of equations below have? y = −6x + 9 y = 98x − 3

Answers

Answer:

one solution

Step-by-step explanation:

by subsitution,elimination and comparison

Please help, I'm having a hard time with this ;-;

Answers

Answer:

A

Step-by-step explanation:

3 times steep means slope is 3 times

slope=4

new slope =3×4=12

translated 7 down means y intercept-7=1-7=-6

so new eq. is y=12x-6

Answer:

A

Step-by-step explanation:

So we know that the slope is 4, and we want to make it 3 times as steep, so that would be 12. The y-intercept is one and we want to move it down 7 units, 6-7= -1. So our final answer would be y= 12x-6!

B
✓97
B
4

A
9
С
Select all true statements:
A) sin (©) = Vo
| B) tan (8) = 3
| C) tan (8) =
D) cos(B) = to
E) 42 +92 = 97

Answers

the answer is in the picture I’ll send u a link here phs.dcsdk12.org the answer is in there good luck!

Answer:

I need help with the answer as well

Step-by-step explanation:

Please answer!


No links. No links to pictures, no fake answers. Please don’t make my day worse than what it is. Please answer correctly thank you!!!

Answers

Answer:

I would go with option 4

Step-by-step explanation:

Answer:

[tex]\frac{a}{sinA} = \frac{b}{sinB} = \frac{c}{sinC}[/tex]

[tex]\frac{x}{sin25} = \frac{32}{sin90}[/tex]

[tex]x = \frac{32sin25}{sin90}[/tex]

[tex]x = 13.5[/tex]

Hope this helps! Have a great day... please mark as brainliest :0 :))

Step-by-step explanation:

Evaluate the algebraic expression 4v-3 if v= -5.explain

Answers

Answer:

-23

Step-by-step explanation:

Given 4v-3

evaluate when v = -5

So basically we want to find the value of the expression when the variable (v) equals -5

so

* plug in -5 for v*

4(-5)-3

4*-5=-20

-20-3=-23

So we can conclude that when v = -5 the value of the expression is -23

Answer:

4v-3 = -23

Explanation:

given the expression: 4v-3

if  v = -5

4v-3 (let's subsitute v)

4v-3 = 4×(-5)-3

4v-3 = -20 - 3

4v-3 = -23

Which expression is equivalent to 36a-12b?

3(6a-2b). 6(6a-2b). 3(6a+2b). 6(6a+2b)

Answers

Answer:

6(6a-2b)

Step-by-step explanation:

Answer:

6(6a-2b)

Step-by-step explanation:

if you multiply the 6 by what's in parenthesis you get 36a-12b

pamela is 10 years older than Jiri. the sum of their ages is 76. what is jiri age

Answers

Answer:

jiri's age is 66 years old

Step-by-step explanation:

76-10= 66 years old

The diameter of a circle is 11 cm. Find its area to the nearest tenth.

Answers

Answer:

95.0

Step-by-step explanation:

Area of a circle

A = πr2

Radius is half the diameter = 11/2 = 5.5

A = π x 5.5 x 2

= 95.033177...

= 95.0

Mr Keen, a band teacher wanted to know if certain types of instruments are
more appealing to one gender or the other. So he conducted a survey of his
students preferences. The results are complied in the chart below: What is the
ratio of the number of girls preferring woodwind instruments to the number of
boys preferring woodwind instruments? *
Instruments
Boys
Girls
15
23
Strings
Woodwind
19
30
Brass
27
13
Percussion
32
25
Your answer
P

Answers

Answer:

23:22

Step-by-step explanation:

See the image!

4 1/5 kg: 630 g simplify this question

Answers

Answer: 2646kg

Hope this helps

Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

C

Step-by-step explanation:

There is a larger variety of lengths in the 9th grade textbook


The values of several terms in a sequence are shown in the table.

Second=5
Fourth=12
Seventh=22.5
Find the first term, f (1).

Answers

Answer:

1.5

Step-by-step explanation:

You divide and stuff. Then you subtract 3.5 from 5 to get 1.5 and bam answer.

I will mark as brainliest. Thank you!

Answers

Answer:

2

24

5

4

Step-by-step explanation:

The given recipe makes 8 bags.

To make 16 bags, Lily needs twice as many ingredients because 8 + 8 = 16.

Since 1 cup of raisins makes 8 bags, 2 cups of raisins will make 16 bags.

To show the mathematical way:

Variable w = number of cups of raisins

1/8 = w/16

Cross multiply

1 × 16 = 8 × w

16 = 8w

2 = w

2 cups of pretzels makes 8 bags so 6 cups of preztels will make how many bags?

Set up an equation:

Variable x = number of bags

2/8 = 6/x

Cross multiply

2 × x = 8 × 6

2x = 48

x = 24

6 cups of pretzels will make 24 bags.

If 0.5 cup of pecans = 2.5 cups of crackers, then 1 cup of pecans = y cups of crackers?

Variable y = number of cups of crackers

Set up equation:

0.5/2.5 = 1/y

Cross multiply

0.5 × y = 2.5 × 1

0.5y = 2.5

y = 5

1 cup of pecans will need 5 cups of crackers

2 cups of pretzels = 8 bags, so 1 cup of preztels = z bags?

Variable z = number of bags

Set up equation:

2/8 = 1/z

Cross multiply

2 × z = 8 × 1

2z = 8

z = 4

A teacher wants to choose a student at random. The teacher decides to choose the first person to walk through the classroom door at the start of the lesson.
a. Explain why this is not a good method.
2. Suggest a better method.

Answers

Answer:

The first person to arrive is not random. The person that mostly arrives first every time is the person who lives closest to the school, or is a teacher's pet.

The odds of the person who lives 20km away from the school being first are way lower than anyone else.

A better method, would be everyone writes their name on a paper, and the teacher picks one at random from a hat.

Below is the graph of the equation y=|x+2|-1. Use this graph to find all values of x such that
y>0
y<0
y=0
Please Help I will award the brainiest

Answers

Answer:

y>0,        -3>x> -1

y<0,        -3<x<-1

y = 0,       x = -3 and x = -1

Step-by-step explanation:

Answer:

Agree with the other answer but for RSM users, if y>0, type in: x>-1, x<-3 or the server won’t accept your answer.

Have a good day!

Use linear function g(x)=3x+5
a. Given x= 1,3,5,7 what are the output values of g(x). respectively?
b.write the input and output values as ordered pairs (hint: there are four order pairs.)
c. How did the order pairs change ?

Answers

A. 8, 14, 20, 26

B. (1, 8), (3, 14), (5, 20), (7, 26)

C. As x increased by 2, g(x) increased by 6. If x increases by 1, g(x) will increase by 3.

Hope this helped.

The freezing point of oxygen is about -218°C. The freezing point of phosphorous is about 262 C higher. What is the
approximate freezing point of phosphorous
11 ?

Answers

Answer:

44.1°C

Step-by-step explanation:

This tetratomic vapor condenses to liquid white phosphorus which freezes at 44.1°C to solid white phosphorus, a soft, waxy, colorless material.

If the shorter rectangle is 1 unit long, how many units long is the longer rectangle?

Answers

Answer: 2 units long

Whatever greater than 1 unit

the local market is selling a pound of bananas for $0.55. if you bought 8 bananas for $1.44, what is the unit rate?

Answers

Answer:

$0.18

Step-by-step explanation:

Given that :

Number of bananas purchased = 8

Cost at which the 8 bananas were purchased = $1.44

The unit price of bananas can be obtained using the relation :

Total Cost of bananas / number of bananas

Unit price = $1.44 / 8

Unit price = $0.18

Price per unit of banana = $0.18


Find the interest earned in Mrs. Charlie's account after 4 years, if she had
deposited $11,000 in her account. The bank pays a compound interest of 8.4%
annually.

Answers

Answer:

11012.4

Step-by-step explanation:

4 + 11000 = 11004

11004 + 8.4 = 11012.4

Work out m and c for the line:y=3x-2

Answers

y = mx + c
m = gradient
c = y-intercept

Therefore, m=3 and c= -2

Pl help it’s for a grade

Answers

Step-by-step explanation:

Given,

1. The given expression is [tex]\sqrt[10]{x^9}[/tex].

We need to write it into exponential form.

We know that,

[tex]\sqrt[a]{x} =x^{1/a}[/tex]

Here, a = 10

So,

[tex]\sqrt[10]{x^9}=(x^9)^{1/10}\\\\=x^{9\times \dfrac{1}{10}}\\\\=x^{9/10}\\\\=x^{0.1}[/tex]

2.

[tex](\sqrt[4]{3y} )^3\\\\=((3y)^3)^{1/4}\\\\=3^{3\times \dfrac{1}{4}}\times y^{3\times \dfrac{1}{4}}\\\\=3^{3/4}y^{3/4}[/tex]

Hence, this is the required solution.

I just need help with these question

Answers

Answer:

No links sorry :<

Step-by-step explanation:

So what is it because I can’t see anything

Three side lengths of a right triangle are given. Does it matter where you substitute the lengths in the Pythagorean Theorem? Explain.

Answers

the answer is b hope that helps!!

Ariana just started a running plan where she runs 7 miles the first week and then increases the number of miles she runs by 10% each week. If she keeps up this plan for 12 weeks, how many total miles would Ariana have run, to the nearest whole number?​

Answers

Answer: sarah ran 150 miles in 12 weeks

Step-by-step explanation:

someone smart pls help

Answers

Answer:

5

Step-by-step explanation:

-2^2=-4

3^2=9

add

-4+9=5

find the value of x please ​

Answers

Answer:

it should be 47 because of (3x-4)

Step-by-step explanation:

i need help plz giving brainlist

Answers

Answer:

625

Step-by-step explanation:

it is essentially 5*5*5*5

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