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Lina20 [59]
3 years ago
12

Write and solve a problem involving money that can be solved with a multiplication equation. tell what the variable represents

Mathematics
1 answer:
olganol [36]3 years ago
4 0
Ben wanted to take some money from his Friends to build his family a home. He said that he would give the money back after 12 months. So he would give 1500$ a month. How much money did he borrow?
1500*12=x

Matilda got also money, she told Ben, I got x $ from my dad and y $ from mom. all they gave me was 5000$. If I gave mom Half of the moneys I got from her than I would have 3000$ left to pay. How much did she borrow from her parents?
x+y=5000
and
x+y/2=3000

so x=5000-y
and
5000-y+y/2=3000

so
x=5000-y
and
y=4000

so x=1000 and y=4000
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Solve. And Explain. r/9 = -4
Bezzdna [24]

Answer:

Step-by-step explanation:

r/9 = -4

then multiply 9 to -4 which equals -36

at last, r is equal to -36

4 0
3 years ago
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A cylinder has height of 10 millimeters and radius 12 millimeters.Find the a.volume and b. surface area.
Sholpan [36]

Answer:

A. <u>Volume = 4,523.9 mm³ (cubic mm)</u>

B. <u>Surface area = 1,658.76 mm² (square mm)</u>

Step-by-step explanation:

A. Lest's calculate the volume of the cylinder:

r = 12 mm, h = 10 mm

Volume = π * r² * h

Volume = 3.1416 * 12² * 10

Volume = 3.1416 * 144 * 10

<u>Volume = 4,523.9 mm³</u>

B. Let's calculate the surface area of the cylinder:

Surface area = 2π * r * h +2π * r²

Surface area =2π * 12 * 10 + 2π * 12²

Surface area = 6.2832 * 120 + 6.2832 * 144

<u>Surface area = 753.98 + 904.78 = 1,658.76 mm²</u>

8 0
3 years ago
A glass jar has a height of 5 inches and a radius of 2. 5 inches. vanessa wants to fill the jar with beads that cost $0. 12 per
Shalnov [3]
Answer:
height(h)= 5in
radius(r) =2.5in
Volume(V)= pi ×r^2 ×h
V=(22/7)2.5^2×5=98.21in^3
$0.12=1 in^3
Amount to be paid= 0.12×98.21
=$11.79

Step-by-step explanation:
Firstly, find the volume of the jar. When the filled with the beads to the brim, it will assume the shape of the jar, hence their volume will be equal. We assume that the jar is a cylinder. After you find the volume, multiply the volume by the amount per cubic inches.
6 0
2 years ago
COSUL LOTUUSEUMURITULE.
notsponge [240]

Answer:

The answer to your question is below

Step-by-step explanation:

I numbered the squares, see the picture below

Angle 3 and the angle given are vertical angles so they measure the same

             angle 3 = 137°

The sum of the angles 1, 2, 3 and 137 equals 360°, so

  angle 1 + 137 + angle 3 + 137 = 360

   and angle 1 and 3 are vertical angles so angle 1 = angle 3

   2angle 1 = 360 - 137 -137

    2 angle 1 = 86

        angle 1 = 86 /2

        angle 1 = 43°

        angle 2 = 43°

The angle given and the angle 5 are corresponding angles, they measure the same

        angle 5 = 137°

Angle 5 and 6 are vertical angles, they measure the same

        angle 6 = 137°

Angle 2 and angle 7 are corresponding angles, they measure the same

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Angle 3 and angle 6 are corresponding angles

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Angle 4 and 7 are vertical angle, so they measure the same

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5 0
3 years ago
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Could 10.5 cm, 8.0 cm, and 4.0 cm be the lengths of a triangle
Aleksandr-060686 [28]

Answer

yes

Step-by-step explanation:

5 0
3 years ago
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