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olga_2 [115]
4 years ago
8

Solve the proportion below. x/10.5=7/3.5

Mathematics
2 answers:
mihalych1998 [28]4 years ago
8 0

Answer: 21

explanation: I took the quiz and I got right.

Vanyuwa [196]4 years ago
5 0

Answer:

x=20

Step-by-step explanation:

we have

\frac{x}{10}=\frac{7}{3.5}

we know that

To solve the proportion multiply in cross and solve for x

so

x(3.5)=7(10)\\3.5x=70

Divide by 3.5 both sides

x=20

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6 0
3 years ago
Y is 6 less than the product of 5 and x. Write a function rule.
svlad2 [7]
Y=6x-5
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4 years ago
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Teresa has scored 77, 80, 63, 61 and 92 on previous test what score does she need on her next test on her average will be 77
Rainbow [258]
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3 years ago
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A particle moves along a line with acceleration a (t) = -1/(t+2)2 ft/sec2. Find the distance traveled by the particle during the
amm1812

Answer:

s(t)=(ln|7|+ln|2|)\,ft

Step-by-step explanation:

Acceleration is second derivative of distance and are related as:

a(t)=\frac{d^2s}{dt^2}\\\\\frac{d^2s}{dt^2}=\frac{-1}{(t+2)^2}\\

Integrating both sides w.r.to t

v(t)=\frac{ds}{dt}=\frac{1}{t+2} +C\\

Using initial value

v(0)=\frac{1}{2}\\\\\frac{1}{2}=\frac{1}{0+2} +C\\\\C=0\\\\\frac{ds}{dt}=\frac{1}{t+2}

We have to calculate the distance covered in time interval [0,5], so:

\int\limits^5_0 \frac{ds}{dt}=\int\limits^5_0 {\frac{1}{t+2}} \, dt\\\\s(t)=[ln|t+2|]^5_0\\\\s(t)=ln|5+2|+ln|0+2|\\\\s(t)=(ln|7|+ln|2|)\,ft

3 0
3 years ago
Directions:Use the power rule to simplify the following monomials.
Lynna [10]

Answer:

1. x^10

2. c^3d^6

3. -4m^3n^12

4. 32x^10y^5

5. -27x^6

Step-by-step explanation:

When you raise a power to a power, you multiply the exponents together. Hope this helps

8 0
3 years ago
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