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kari74 [83]
3 years ago
7

Someone please answer this it’s due today I need help

Mathematics
1 answer:
alisha [4.7K]3 years ago
3 0

Answer:

x = 8

Step-by-step explanation:

3x - 5 = 2.5x + 3 - (x - 4)

<em>open parentheis</em>

3x - 5 = 2.5x + 3 - x + 4

3x - 5 = 1.5x + 7

<em>subtract 1.5x from both sides of the equation</em>

3x - 1.5x - 5 = 7

1.5x - 5 = 7

<em>add 5 to both sides of the equation</em>

1.5x = 7 + 5

1.5x = 12

<em>divide both sides of the equation by 1.5</em>

1.5x/1.5 = 12/1.5

x = 12/1.5

x = 8

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Figure S is reflected over the y-axis and then rotated 90° clockwise. Which side of Figure T is
Ronch [10]

Answer:

hi

Step-by-step explanation:

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6 0
4 years ago
PLEASE HELP FAST!!! Find the surface area of the composite figure. Round your answer to the nearest tenth if necessary.
aksik [14]

Using the surface area formula for rectangular and triangular prism, the surface area of the composite figure is: 444 m².

<h3>What is the Surface Area of the Composite Figure?</h3>

Total surface area = surface area of the top triangular prism + surface area of the bottom rectangular prism - area of the surface both share together.

Surface area of the top triangular prism = (S1 + S2+ S3)L + bh = (10 + 10 + 16)5 + (16)(6) = 276 m².

Surface area of the bottom rectangular prism = 2(wl + hl + hw) = 2·(5·16+4·16+4·5) = 328 m²

Area of the surface both share together = 2(16)(5) = 160 m²

Total surface area = 276 + 328 - 160 = 444 m².

Learn more about the surface area of triangular prism on:

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3 0
2 years ago
HELP!!!!!!!!!!!!!
Misha Larkins [42]

Answer:

P'(7,0)Q'(2,1) R'(12,-6)

Step-by-step explanation:

P(3,5)------>P'(3+4,5-5)

P'(7,0)

Q(-2,6)----->Q'(-2+4,6-5)

Q'(2,1)

R(8,-1)------>R'(8+4,-1-5)

R'(12,-6)

8 0
4 years ago
The mean of five numbers is 16.4 .
vredina [299]

Answer:

11

Step-by-step explanation:

11

8 0
4 years ago
Rachel has $80 in a savings account.The interest rate is 10%per year and is not compounded. How much interest will she earn in 1
erma4kov [3.2K]

Answer:

I = $ 8.00

Equation:

I = Prt

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 10%/100 = 0.1 per year,

then, solving our equation

I = 80 × 0.1 × 1 = 8

I = $ 8.00

The simple interest accumulated

on a principal of $ 80.00

at a rate of 10% per year

for 1 years is $ 8.00.

5 0
3 years ago
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