Answer:
(z−4)(z−5)
Step-by-step explanation:
We need two numbers that...
Add together to get -9
Multiply together to get 20
-4 and -5 do just that!
So you fill in the blanks and get (z−4)(z−5)
Hope this helps :)
The number of math problems was increased from 15 to 21. By what percent did the number of problems increase?
A 20%
B 30%
C 40%
D 45%
HELP please!!! ill give brainliest :)
An antique desk,that once belonged to President Kennedy, appreciates in value by 15% per year. If Mark Zuckerberg were to purchase the desk for $50,000,how much would it be worth from now?
Answer:
$57500
Step-by-step explanation:
Given data
Initial cost of desk= $50,000
Percent increase=15%
=15/100*50,000
=0.15*50,000
=$7500
Hence the new price is 7500+50,000
=$57500
At a sale, shirts were sold for $16 each. This price was 80% of their original price. What was the original price?
Answer:
$20 was the original price. 16÷20= .8=80%
Answer:
The original price is 100%. and 80%
Step-by-step explanation:
The original price is 100%. and 80%=$15. ⇒1%=$1580=$0.1875. ⇒100%=$0.1875×100=$18.75.
Please help will mark brainliest
Answer: -3
Step-by-step explanation: Hope I helped! :D
Charlie runs laps around a track. The table shows how long it takes him to run different numbers of laps. How long would it take Charlie to run 7 laps? Numbers 2 4 6 8 10. Time 18 36 54 72 90
Answer:
42
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
find one lap
2/2=1
18/2=9
1 lap = 9
1·7=7
9·7=63
Helen goes into a shop.
She wants to buy 2 shirts and a pair of shorts,
Each shirt costs £24.50
The pair of shorts costs £18.90
Helen only has £70 to spend,
Does Helen have enough money to buy the 2 shirts and the pair of shorts?
Answer:
yes
Step-by-step explanation:
2*24.50=49 (two shirts)
18.90 (pair of shorts)
49+18.90=67.90
she can spend 70, means she can buy all of those and she still has 2.10
At a party there were 4 boys and 4 girls. Boys only danced with girls and girls only danced with boys. At the end of the evening each person was asked how many people they had danced with. The boys gave the answers 3, 1, 2, 2 and three of the girls answered 2. Which answer did the fourth girl give?
The 4th girls answer was 2
The fourth girl danced with two of boys.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given,
At a party there were 4 boys and 4 girls.
Boys only danced with girls and girls only danced with boys.
In boys, first boys dance with 3 girls
Second boy danced with one girl
Third boy danced with two girls
Fourth boy danced with two girls
3+1+2+2=8
When comes to four girls, three girls said they danced with two boys.
We need to find with how many boys fourth girl danced.
2+2+2+x=8
x+6=8
x=2
Hence, the fourth girl danced with two of boys.
To learn more on Equation:
https://brainly.com/question/10413253
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1. Theresa and Cary are saving for a printer. Theresa has $10 in the bank and will save $20
month. Cary has $25 in the bank and will save $15 each month.
A) How much does Theresa have at month #O?
B) How much Does Cary have at month #0?
C) Write an equation to represent Theresa's saving and an equation to represent Cary's
savings.
D) Graph both Theresa's and Cary's equations on the coordinate plan below.
Introduction to Solving Systems of Equations Theresa and Cary are saving for a printer. Theresa has $10 in the bank and will save $20 each month. Cary has $25 in the bank and will save $15 each month. 1. How much does Theresa have at month #0710 2. How much does Cary have at month #obA 3. Fill in the table for several months. Then graph the data. Use a different color for each girl's table values and graph. Label and scale the axes appropriately Theresa Ca Total Total Month # | Month # | savings in $ (x) savings in $ 0 0 2 2 5 6 6 S 7 4. Write an equation that represents Theresa's savings. yoxtl 5. Write is an equation that represents Cary's savings. tS Which girl is saving at a faster rate? Justify your answer by referring to the 6. table, the graphs, and the equations. 7. At which months does Theresa have more money? 8. At which months does Cary have more money? 9. At which month do they have the same amount of money? What do you notice about the graphs at this month? Introduction to Solving Systems of Equations con... Two friends, Malcolm and Zeke, are going to the park that is near their school. They leave at the same time from different locations. Malcolm is 30 meters from the school on his way to the park, and he is walking at the rate of 1 meter per second. Zeke is at school and will jog to the park at a rate of 4 meters
help please. 10 points to who help me
9514 1404 393
Answer:
64/109 ≈ 0.5872
Step-by-step explanation:
41 + 23 = 64 of the events have outcome E.
An additional 35 + 10 = 45 do not.
The probability of an outcome of E is 64 out of a total of 64+45 = 109 events.
P(E) = 64/109 ≈ 0.5872
3x+25=2(4x-10)
Can somebody plz explain to me how to solve this
Can y’all help with this question plz
Answer to get marked brainiest!
Answer:
D
Step-by-step explanation:
HELP ASAP ASAP ASAP!!! I WILL MARK BRAINLIST!!!!!!
What is the measure of an angle that turns through 3/4 of a complete circle?
34º
270º
43º
75º
270º
Step-by-step explanation:
A full circle is 360 degrees. So, 3/4 of a circle is 270.
If Evan wants 5/8 mile to his friends house then together they walked 7/12 mile to the movie theater which pair of fractions can avenues to find how far they walked in all
Answer:
5/8 + 7/12
Step-by-step explanation:
Miles to friends house = 5/8
Ditance to the movies = 7 1/2
To find the total distance walked in Wal, we sun the fraction of distance Evans walked to his friend's house and the distance walked from friend's house to the movies ;
That is :
5/8 + 7/12
= 29/24 miles
a certain bacteria populations doubles in size everyday. Suppose a sample starts with 500 bacteria. write an expression that models the number of bacteria in the same sample after x days. Evaluate the expression for x=0,2,and 5
Answer:
16,000
Step-by-step explanation:
16,000 - answer
please help i’m sorry!!! 15 points again!
Answer:
Guess I'll agree with the other person.
Step-by-step explanation:
through: (0, 3) and (3, -1)
Answer:
6 i think.
Hope this helps!
what is the expression 3 fewer than k
I also need help on this
Find the missing angle
the missing anigal i a 82 degrez trangal
rewrite in a simpler equivalent form and solve
What is the product of (–8.2)(1.9)?
–15.58
–6.3
6.3
15.58
Answer:
-15.58
Step-by-step explanation:
Answer:
-15.58
Step-by-step explanation:
Multiply the traditional way
-8.2
x1.9
-------
738
820
----------
15.58
But because you're multiplying a positive and a negative, the answer will be negative leaving you with (-15.58)
14 - 3c + 8 + c ????
Answer:
−2c+22
Step-by-step explanation:
Please anyone help anyway you can
help please. I dont know how to solve
What is the coefficient in the following equation?
2x - y = 12
Answer:
I think 2 is the coefficient of x which is numerical.
Esis inversely proportional to t.
When s = 0.8, t = 7
Work out t when s = 70
Answer:
t=0.08
Step-by-step explanation:
see attached kindly
Is (5, 2) a solution to y = 4? Explain your reasoning.
The measure of angle ABD is 105º. The measure of angle ABC is 75º. What is the measure of angle CBD? A 75° B >C ? D 1>) 170° 1) 30° 1) 25° 1) 180°
49^x/4-5 = 343^x/3 what does x equal