All categories

3 years ago

Please help me answer this question(#4)

Mathematics

2 answers:

igomit [66]3 years ago

7 0

Answer:

It is 18 because if you look at the side the small one says 3 the big one says 6 so if you multiply the 9 square feet by 2 thats your answer

densk [106]3 years ago

4 0

Answer:

A=36

Step-by-step explanation:

Hi love ,

so we now that the are of a triangle is : 1/2bh

the smaller triangle shows that : 9 = 1/2b*3

so b =6

and if the 3 became 6 then 6 will become 12

base of the smaller triangle = 6

base of the larger triangle = 12

Area of Larger triangle = 1/2 * 12*6

= 1/2*72 = 36

A=36

You might be interested in

According to the Marshall’s survey, 80 sixth graders, or 40% of the students in sixth grade like to have school remote. How many

maxonik [38]

200 is the answer i know this because 40%of 200 is 80

8 0

2 years ago

Read 2 more answers

Johnny works after school and earns $8 per hour. He needs at least $2000 to purchase a car so he does not need to take the bus.

Inga [223]

2hours

Step-by-step explanation:

2 hours

4 0

2 years ago

The directions on a sewing pattern say to cut an extra 15% of fabric to account for error. Chloe needs 0.75 yard of fabric to ma

ivann1987 [24]

She was correct to multiply .75 by .15 to get .1125, but she forgot to add that value to .75 to get the total amount of fabric needed.

4 0

3 years ago

Pleaseee help I’m so close to passing math

kobusy [5.1K]

Answer:

it'll be the first one. in the sentence it says that Adult is MORE

3 0

2 years ago

the half-life of strontium-90 is approximately 29 years. how much of a 500 g sample of strontium-90 will remain after 58 years

Yuliya22 [10]

Answer: 125 g

<u>Step-by-step explanation:</u>

$A = P_o\cdot e^{kt}\\\\\text{First, use the given information to find k:}\\\\\bullet A=\dfrac{1}{2}P_o\\\\\bullet k = unknown\\\\\bullet t=29\text{ years}\\\\\dfrac{1}{2}P_o=P_o\cdot e^{k(29)}\\\\\\\dfrac{1}{2}=e^{k(29)}\qquad divided\ both\ sides\ by\ P_o\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=ln\bigg(e^{k(29)}\bigg)\qquad applied\ ln\ to\ both\ sides\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=29k\qquad simplified-ln\ and\ e\ cancel\ out\\\\\\\dfrac{ln\bigg(\dfrac{1}{2}\bigg)}{29}=k\qquad divided\ 29\ from\ both\ sides\\\\\\-0.0239=k$

$\text{Now, use the following in the equation to solve for A:}\\\\\bullet A=unknown\\\bullet P_o=500\\\bullet k=-0.0239\\\bullet t=58\text{ years}\\\\A=500\cdot e^{(-0.0239)(58)}\\\\.\quad=500\cdot e^{-1.386}\\\\.\quad=125$

8 0

3 years ago