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zalisa [80]
3 years ago
8

7w = 87;w = 12 Please help!

Mathematics
1 answer:
k0ka [10]3 years ago
5 0

Answer:

it is false because, in the equation 84 does not equal 84.

Step-by-step explanation:

Hope I could help, if you need the equation let me know! :)

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2. The rectangular floor of a garage has an area of 198 square feet. Andy knows that the floor is 7
Charra [1.4K]

Answer:

length = 18 ft

Step-by-step explanation:

Let w = width

L = w+7

Area = l*w

198 = (w+7) (w)

Distribute

198 = w^2 +7w

Subtract 198 from each side

0 = w^2 +7w -198

Factor

What 2 numbers multiply to -198 and add to 7

18* -11 = -198

18+-11 = 7

0=(w+18) (w-11)

Using the zero product property

w+18 =0  w-11=0

w= -18   w=11

We cannot have negative width  so w=11

We want the length

l = w+7

l = 11+7 = 18

6 0
3 years ago
Suppose that the amount of algae in a pond doubles every 6 hours. if the pond initially contains 50 pounds of algae, how much al
bulgar [2K]

Answer:

A. 400

Step-by-step explanation:

initially have 50 pounds after 6 hours, doubles to 100. 6 (12 total) more hours 100 doubles to 200. after another 6 (18 hours) 200 doubles to 400.

5 0
3 years ago
I have no clue how to answer this
lina2011 [118]
Answer:
ppemdasppemdaspemdas
Step-by-step explanation:
20istheanswer20istheanswer20istheanswer20istheanswer20istheanswer20istheanswer20istheanswer20istheanswer20istheanswer
5 0
2 years ago
Which shape does the intersection of the vertical plane with the prism look like?
Verizon [17]

Answer:

it looks like an triangle in the option above lol

7 0
3 years ago
In the figure, angle A measures 41° and angle D measures 32°. What is the measurement of angle E?
netineya [11]

triangles angles always add up to 180° that being said,

41+32=73

180-73=107

angle e= 107°

hope this helps!

6 0
3 years ago
Read 2 more answers
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