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Pavel [41]
2 years ago
15

Hurryyyz Solve the following equations 2. 35 = 2x + 5 3. 4x - 7 = 73

Mathematics
2 answers:
frosja888 [35]2 years ago
7 0

part one of this would be x=6;

2x6 is 30

30+5 is 35

part two of this would be x=20;

20x4 is 80

80-7 is 73

lilavasa [31]2 years ago
3 0

Answer:

x = 15 and x = 20

Step-by-step explanation:

(2)

35 = 2x + 5 ( subtract 5 from both sides )

30 = 2x ( divide both sides by 2 )

15 = x

(3)

4x - 7 = 73 ( add 7 to both sides )

4x = 80 ( divide both sides by 4 )

x = 20

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Solve for t. <br> 16 - 2t = t + 9 + 4t<br><br> please help.
Delvig [45]

Answer:t=1

Step-by-step explanation:

16-2t=t+9+4t

Collect like terms

4t+2t+t=16-9

Combine like terms

7t=7

Divide both sides by 7

7t ➗ 7=7 ➗ 7

t=1

6 0
3 years ago
a wheelchair ramp is in the shape of a triangular prism. it has a base area of 37.4 square yards and a height of 5 yards. find t
kirill [66]
Given:
Triangular prism.
Base area : 37.4 square yards
height : 5 yards

To find the volume of the ramp based on the given figures, we simply multiply the base area by the height.

Volume = base area * height
V = 37.4 square yards * 5 yards
V = 187 cubic yards.

The volume of the triangular prism-shaped ramp is 187 cubic yards.

7 0
3 years ago
Simplify: 2(4x + 8)<br> (X)<br> /h<br> X<br> X
jasenka [17]

Answer:

x = -2

Step-by-step explanation:

2(4x+8)

= 8x+16

8x+16 = 0

-16 -16

8x = -16 (do -16÷8 & get)

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8 0
3 years ago
What is the sum of (x ^ 2 - 3x + 2) and (5x ^ 2 - 3x - 8)
geniusboy [140]

Answer:

6x^2-6x-6

Step-by-step explanation:

(x^2-3x+2)+(5x^2-3x-8)

x^2+5x^2-3x+(-3x)+2+(-8)

6x^2-3x-3x+2-8

6x^2-6x+2-8

6x^2-6x-6

5 0
2 years ago
your friend deposits $9500 in an investment account that earns 2.1% annual interest. what is the balance after 11 years when the
solmaris [256]

Answer:

The answer is "$ 11,961.43"

Step-by-step explanation:

Given values:

P =  $ 9500

r= 2.1 %

time (t)= 11 year

total quarterly year =4

Formula:

A= P (1+\frac{r}{n})^{nt}\\\\

quarterly time = 4 \times 11

                         = 44

A= P (1+\frac{r}{n})^{nt}\\\\

A = 9500 ( 1+ \frac{0.021}{4})^{44}\\\\A = 9500(\frac{4+ 0.021}{4} )^{44} \\\\A = 9500(\frac{4.021}{4} )^{44} \\\\A= 9500 (1.00525)^{44}\\\\A= 9500(1.25909819)\\\\A= 11,961. 43\\

8 0
3 years ago
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