MATHEMATICS MIDDLE SCHOOL

The gcf of 12 and 28 is 4

Answers

Answer 1

Answer: is this a question ??

step by step

Answer 2

Answer:

Answer:

yes

Step-by-step explanation:

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Tyanna bought x number of shares for d dollars and paid a 4% commission. She soldthe stock for p dollars and paid a flat fee of $22. Which expression below modelsTyanna's net proceeds algebraically?A.B.C.D.p - x(1.04d - 22)p - 1.04(xd – 22)p - (1.04xd + 22)(1.04xd +22) - p

7. The probability that Jane smokes is 4/9. The probabilitythat she smokes and develops lung cancer is 3/10.
Find the probability that she develops lung cancer, given
she smokes.

Answers

To find the probability that she develops lung cancer given that she smokes, multiply the two probabilities together:

4/9 x 3/10 = (4 * 3) / (9*10) = 12/90 = 2/15

ASAP, pls I need help with these questions

Answers

Answer:

a) 2/5 x 900 = 360 hectares

b) 3/5th

c) 3/5 x 900 = 540

540 - 360 = 180

Farmer Richards needs to bring another 180 hectares under cultivation.

Adina has a rectangular garden that measures 9 m wide by 13 m long. She wants to increase the area to 192 m2 by increasing the width and length by the
same amount. What will be the dimensions of the new garden?

Answers

Answer: 16 m by 12 m.

Step-by-step explanation:

Given: The length of garden l = 13 m

The width of the garden w= 9 m

The area of the rectangular garden is given by :-

$\text{Area}=l* w\n\Rightarrow\text{Area}=13*9\n\Rightarrow\text{Area}=117\ m^2$

It she wants to increase the garden, the dimensions of the new garden will be (13+x) m by (9+x) m , then according to the question we have :-

$(13+x)\cdot(9+x)=192\n\Rightarrow\ 117+x^2+22x=192\n\Rightarrow\ x^2+22x=75\n\Rightarrow\ x^2+22x-75=0\n\Rightarrow\ x^2+25x-3x-75=0\n\Rightarrow\ x(x+25)-3(x+25)=0\n\Rightarrow\ (x+25)(x-3)=0\n\Rightarrow\ x=-25\ x=3$

Since, $x\neq-25$

Hence, x=3

Therefore, the dimensions of the new garden will be (13+3) m by (9+3) m=16 m by 12 m.

What is the missing exponent?

(6^_____)^-4=6^20

Answers

-5
(6^-5)^-4=6^(-5*-4)=6^20

Every weekday, Tasha walks 3/8 mile to go to school. After school, she walks 2/8 mile to go to her grandparents' house. Then she takes the smae route home. Does she walk more than one mile each day? Explain how you know.

Answers

There are two possibilities, and we don't know which situation is true.

#1). School is in the middle, between home and grandparents.

Home --------- 3/8 ----------- School --------- 2/8 ------- Grandparents .

If this is true, then in the whole day, Tasha walks

(3/8 + 2/8 + 2/8 + 3/8) = 10/8 = 1.25 miles .

===========================================

#2): Grandparents house is in the middle, between home and school.
Tasha passes by them on her way to school, and stops there to visit
on her way back home.

Home ------- 1/8 ------- Grandparents ---------- 2/8 ---------- School

If this is true, then in the whole day, Tasha walks

(3/8 + 2/8 + 1/8) = 6/8 = 3/4 mile .

no she doesnt but it was very close i know this because 2/8+2/8= 4/8 +3/8=7/8

In a group of 120 seventh graders. 30% have completed their science project. How many students have completed their science project.

Answers

Answer: 36

Step-by-step explanation:

120 students is the same as 100%, so you would divide 120 by 100 and your quotient would be 1.2 Then you multiply 30 by 1.2, since you would multiply 100 by 1.2 to get 120. 30×1.2=36. So 36 seventh graders have completed their science project.

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Solve each equation and show work -v+3v=14-7=-4-v+312=-3k-7B+4-8=2

Marcy bought 10.32 pounds of white potatoes and 12.48 pounds of sweet potatoes. About how many pounds of potatoes did Marcy buy? Round each weight to the nearest tenth to estimate the total weight of potatoes that Marcy bought.