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melamori03 [73]
3 years ago
14

3+8-4x2-12 Put parentheses to get the answer 2

Mathematics
1 answer:
sesenic [268]3 years ago
5 0
(3+8-4)x2-12 =2 the answer is 2
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A park district has 45 pine trees and 30 oak trees to be planted. They are separating the trees for different areas. They want e
Lady_Fox [76]

Answer:

greatest number of areas that can be created=5

Step-by-step explanation:

given data

Number of pine trees = 45

Number of oak trees = 30

solution

we want area have same number of both trees

so we get here greatest number of area

we find here  greatest common factor of 45 and 30

so Prime factorization of 45 and 30 are

45 = 3 × 3 ×  5

30 = 2 × 3 ×  5

as here GCF = 5

so here greatest number of areas that can be created=5

6 0
3 years ago
Annette is surveying people in the city about a new shopping mall. She found out that 180 people, or 37.5% of people do not want
Leokris [45]

Answer:

480 people

Step-by-step explanation:

Set up an equation where x is the number of people surveyed:

180 = (x)(0.375)

Solve for x:

180 = (x)(0.375)

480 = x

So, Annette surveyed 480 people

4 0
2 years ago
What is -5(-2)<br>not multiple choice just a box where I type it.​
frez [133]

Answer:

10

Step-by-step explanation:

4 0
3 years ago
Does anyone know what b is?
sveticcg [70]

Answer: b = 17

Step-by-step explanation: The figure shows a triangle which upon closer observation is actually two triangles placed one inside the other. We have triangle QTR (the larger one) and triangle PTS (the smaller one).

The line PS is parallel to line QR, so in effect what we have here are two similar triangles. The ratios of similarity can be derived as

Line QT/line TR = line PT/line TS OR

Line QT/line QR = line PT/line PS.

With these ratios in mind we can now write the following expressions from the similar triangles;

QT = 2b + (2b - 17) and

TR = 16 + 8

TR = 24

Hence,

2b/16 = 2b + (2b - 17)/24

(That is, PT/TS = QT/TR)

2b/16 = (4b - 17)/24

By cross multiplication we now have,

2b(24) = 16(4b - 17)

By expanding the brackets we now have

48b = 64b - 272

By collecting like terms, 64b now moves to the left side of the equation and becomes negative

48b - 64b = -272

-16b = -272

Divide both sides of the equation by -16

b = 17

**Note** A negative number divided by another negative number yields a positive answer.

7 0
3 years ago
What is the volume of the pyramid?
madreJ [45]

Answer:

volume=1/3 ~BH

=1/3(16)^{2} \sqrt{17^{2} -8^{2} }

=1/3\times256\times15

=1280 ~ft^{3}

<u>------------------------</u>

hope it helps...

have a great day!!

3 0
3 years ago
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