Mathematics High School

Hello can I please have help with understanding how to do this​

Hello Can I Please Have Help With Understanding How To Do This

Answers

Answer 1

Answer:

11. 5x+13=53

12. 6x-5=115

Related Questions

Simplify the expression:
(14 - 3a) + (5a+4)
show work if u can

Answers

Answer:

(2a + 18)

Step-by-step explanation:

Rearrange Terms

(14−3)+(5+4)

(−3+14)+(5+4)

Eliminate the brackets

(−3+14)+(5+4)

−3+14+5+4

Add the numbers

−3+14+5+4

−3+18+5

Combine like terms

−3+18+5

= 2+18

45% of the students at Mannion Middle School walk to school. If 234 students walk to school, how many students are at Mannion Middle School?

Answers

Answer:

520

Step-by-step explanation:

234=45%

26=5%

100/5=20

20X26=520

Answer:c520 is the answer your welcome! :)

Step-by-step explanation:

PLZ HELP ME WITH THIS?!?

Answers

Answer:

Hi, person.

Step-by-step explanation:

Step-by-step explanation:

first criss cross

then minus by 1 over 4

OR

find lcm of 3 6 4 and after you get it write the number out side let # be the lcm and let me show you #(2,5)&#(_1) and solve it

find the slope of the line​

Answers

Answer:

y=3/4x+3

Step-by-step explanation:

Light A flashes every 8 seconds.
Light B flashes every 20 seconds.
Both lights flash at the same time.
Work out how long it will take for both lights to flash at the same time
again.
ASAP

Answers

Answer:

it will take flash a to flash 5 times and flash b to only flash 2 times

Step-by-step explanation:

just trust me

Write an equation in slope-intercept form for a line that passes through points (-1, 2) and (5, -10)

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The equation is y= -12/6x
So negative 12 over 6 x^^

Here thanks for helping​

Answers

Answer:

13. 3x+10=5x-10

14. (I'm not sure how to set this one up, sowwy ;^;)

15. 5x+15=6x

16. x+10=4x-20

I'm pretty sure this is how to set it up

4. State the number of positive real zeros for the polynomial
f(x) = x3 + 4x2 + x + 5.
A. 1
B. 0
C. 3
D. 2

Answers

I believe the answer is c.

Find the volume of the cube that measured 4.7 inches by 4.7 inches 4.7 by 4.7 inches. The volume of the cube is (simplify your answer. round to three decimal place as needed.)​

Answers

Answer: Volume = 103.823 cubic inches

Step-by-step explanation:

Volume= length x width x height

Volume = 4.7inxhes x 4.7inxhes x 4.7inches

Volume = 103.823 cubic inches

What is the equation of the line that passes through the point (3, 5) and has a slope
of 2?

Answers

y=2x+b
substitute in the equation with the point to get the y intercept
5=2(3)+b
5=6+b
b= -1
so the equation is :
y=2x-1

hope this helps !

Identify the next three terms of the sequence below:
-6, -10, -14,...

Answers

Answer:

-18, -22, -26, -30

Step-by-step explanation:

add negative 4 each time

Between what 2 consecutive numbers does the square root of 15 fall?

1. 15
2. 4
3. 16
4. 3
5. 14
6. 2
7. 5

Answers

Answer: In between 3 and 4

Step-by-step explanation:

Brainliest pllllzzzzz

in between 3 and 4!

BRAINLIEST PLEASE!!

Veronica cut a triangular piece of cookie cake with side lengths that measure 3.6 cm, 6 cm and 4.8cm.



Did Veronica cut out a right triangle?

Answers

Answer:3.6 + 4.8 > 6

Step-by-step explanation:

The answer is YES, the triangle that is cut down by Veronica is a right triangle.

What is a triangle?

The basic polygonal shape of a triangle has three sides & three interior angles. This is one of the fundamental shapes in geometry and is particularly associated. It has three connected vertices. Triangles can be divided into a variety of categories according to their sides and angles.

As per the given information in the question,

The lengths of the sides of the triangle are given as,

Let Base, b = 3.6 cm

Perpendicular, p = 4.8 cm

Hypotenuse, h = 6 cm

Now, use the equation of Pythagoras' theorem,

h² = p² + b²

6² = 4.8² + 3.6²

36 = 23.04 + 12.96

36 = 36

It satisfies Pythagoras' theorem, which means that it is a right triangle.

To know more about Triangle:

https://brainly.com/question/2773823

#SPJ2

Marissa is 7 years older than Mark. The sum of their ages is 59. How old are Marissa and Mark?
(A) First write an equation you can use to answer this question. Use x as your variable.
The equation is __________
Answer: Mark is ___________
and Marissa is ________

Answers

mark is 26=x and marissa id 33

if you take 59 take away 7 you get 52

then you wil devide 52 and get 26

you will use the 7 you took out earlier and add it to one of the 26 which will give you mark(26=x) and marissas(33) age .

I'm getting an answer but it doesn't make sense. I don't know WHAT I'M DOING WRONG. (I think x should be 3 and y should be 2 but I can't get that)

Answers

-2x+8=x-1
+2x +2x
8=3x-1
9=3x
x=3


-2(3)+8=y
-6+8=y
y=2

What is the equivalent expression for 4(2b+3c?

Answers

8b + 12c would be the answer.
You have to distribute the 4 to each of the two terms inside of the parentheses.

PLEASE HELP!! I’ve been stuck on this problem for a while!!!!!!!!!!

Answers

Answer:

What are the options?

Step-by-step explanation:

I'll do it once it the options

The student council sold 113 sodas for $141.25 at the fall festival. What is the cost per soda?

Answers

Answer:

cost of 113 sodas =141.25

cost of 1 soda=141.25/113

=1.24

Do these ratios form a proportion 12/16 and 15/20

Answers

Answer:

This is a proportion

Step-by-step explanation:

Cross multiply:

12 * 20 = 16 * 15

Simplifying:

12 * 20 = 16 * 15

Multiply 12 * 20

240 = 16 * 15

Multiply 16 * 15

240 = 240

Add '-240' to each side of the equation.

240 + -240 = 240 + -240

Combine like terms: 240 + -240 = 0

0 = 240 + -240

Combine like terms: 240 + -240 = 0

0 = 0

Solving

0 = 0

A piece of wire is 240 cm long.
Peter cuts two 45 cm lengths off the wire.
He then cuts the rest of the wire into as many 40 cm lengths as possible.
Work out how many 40 cm lengths of wire Peter cuts.
Answer:

Answers

Answer: 3

Step-by-step explanation:

Find the area of the shape below giving your answer to 1 decimal place.

Answers

Answer:

198.5 cm²

Step-by-step explanation:

From the figure above we can treat the two semi circles as 1 circle.

Now, the diameter is 10 cm

Thus;

Radius; r = 10/2

r = 5cm

Now, formula for area of a circle is;

A = πr²

Thus;

Area of 2 semi circles = Area of 1 circle = π × 5²

A_circle = 78.54 ≈ 78.5 cm²

When we take out the 2 semi circles, what we have left is a rectangle.

Now, the length of the rectangle will be;

Length; L = 22 - 5 - 5 = 12 cm

*This is because the radius of the semi circle is 5 and distance from the edge of the 22 cm length to the centre of the semi circle is 5 cm

Thus, area of rectangle is given by;

A_rect = LW

W in the image is 10 cm

Thus;

A_rect = 12 × 10

Total area of shape is;

A_total = 120 + 78.5

A_total = 198.5 cm²

x is a whole number
Write down the smallest value of x that satisfies 3x > x + 7​

Answers

Answer:

x= 6

Step-by-step explanation:

3x > x + 7

3(6) > 6 + 7

18 > 13

Hope this helps. Thank you !!

Answer:

it's 4 because if you multiply 3 and 4 it's 12. and 4 plus 7 is 11. making 4 the lowest

5. A number m is less than – 3 or greater than or equal to 1.
write the sentence as an inequality.

Answers

Answer:

m < -3 or m ≥ 1

Step-by-step explanation:

akayla buys some tools at the local hardware store. Her total is $50 but she has a 15% off coupon. How much did she save with her coupon? Enter your answer to the nearest cent.

Answers

Answer:

$7.50

Step-by-step explanation:

$50 x .15 = $7.50

$7.50 estimated to nearest cent is $7.50

Write the equation of the line of the line that passes through the point (3, -6) and a slope of 5

Answers

Answer:

y=5x-21

Step-by-step explanation:

Which inequality represents all values of x for which the product below is
defined

Answers

Answer:

D

Step-by-step explanation:

D is the only option where there's always 0 or positive integers inside the radical. The square root of a negative number is imaginary.

What is the range of the function when the domain is (-2, 3, 5)?

Answers

Answer:9

Step-by-step explanation:

PLEASE HELP i suck at math

What are the coordinates of the image of A(2, 5) after it is rotated
180° clockwise about the origin?

Answers

the coordinates should be (2,-5)

Find m
Geometry help pls

Answers

Answer:

∠WXY=72°

Step-by-step explanation:

2X-2=70+X

2X-X=70+2

X=72° ⇒ ∠WXY=72°

What is the domain of the function in this table?
х y
1 2
2 4
3 3
4 2

Answers

Answer:

the answer should be 1,2,3,4 , the domain is always the x values .

Step-by-step explanation:

Answer:

y=-0.1+3

Step-by-step explanation:

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