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laiz [17]
3 years ago
15

Answer please! I have been "getting" the correct answer, as far as I know. The answer which I got was 10x^2 - 4x. But I don't se

e how it's incorrect. PLEASE HELP!

Mathematics
1 answer:
GarryVolchara [31]3 years ago
4 0

Answer:

The answer is 10x² - 4x.

Step-by-step explanation:

You have to apply Distributive Law,

a(m + n) = am + an

So for this question :

2x(5x - 2)

= 2x(5x) + 2x( - 2)

= 10 {x}^{2}  - 4x

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Your baseball team is selling bags of popcorn to raise money for a trip. For each bag of popcorn you sell, $4 goes towards your
Minchanka [31]

Answer:

4x \geq 140; You need to sell at least 35 bags

Step-by-step explanation:

Every 1 bag of popcorn is sold, $4 is put into the trip.

4x

You hope to earn at least $140.

4x ≥ 140

Divide by 4 on both sides.

x ≥ 35

You need to sell 35 bags or more to get $140.

Your welcome!

Kayden Kohl

8th Grade Student

7 0
3 years ago
A class consists of 13 boys and 10 girls. They want to elect officers so that the president and secretary are girls, and the vic
Viktor [21]

Answer:

10 boys and ten girls

Step-by-step explanation:

if there are 13 boys and 10 girls,and 3 boys dont participate,then there are 10 boys. making there an equal ammout of boys and girls.

not sure if this is what you were asking but if it was then i hope it helps

8 0
3 years ago
Find the length of the third side. If necessary, round to the nearest tenth. 25 20 ​
Komok [63]

Answer:

15

Step-by-step explanation:

using \: pythagoras \: theorem \\ let \: the \: unknown \: side = x \\ 25 {}^{2}  = x {}^{2}  + 20 {}^{2}  \\ 625 = x {}^{2}  + 400 \\ x {}^{2}  = 625 - 400 \\ x {}^{2}  { = 225} \\ x =  \sqrt{225}   \\ x = 15 \\ lenght \: of \: the \: third \: side = 15

3 0
2 years ago
The angles in a triangle are in the ratio 2 : 3:7.
Mademuasel [1]

Answer:

30°, 45° and 105°

Step-by-step explanation:

2 + 3 + 7 = 12 parts

180/12 = 15 degrees each part

First angle (2 parts)

2(15) = 30°

Second angle (3 parts)

3(15) = 45°

Third angle (7 parts)

7(15) = 105°

Hope this helps

3 0
1 year ago
Please hurry I need these fast
shtirl [24]

Answer:

5.4

Step-by-step explanation:

The equations are equal so set them equal to each other and solve

3 0
3 years ago
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