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3 years ago

Simplify completely: 5+3(x-1)

Mathematics

1 answer:

Olin [163]3 years ago

4 0

Answer:

Step-by-step explanation:

first add 3+5 = 8

then multiply 8 times x and 8 times -1

which is 8x-8

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What is the equivalent fraction?

Vera_Pavlovna [14]

$0.7 = \dfrac{7}{10} = \dfrac{7 \times 10 }{10 \times 10} = \dfrac{70}{100}$

Answer: 70/100

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4 years ago

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What are the zeros of f(x)=x^2+x-20?

zzz [600]

F(x) = x² + x - 20 = x² + 5x - 4x - 20 = x(x + 5) - 4(x + 5) = (x + 5)(x - 4)

f(x) = 0 ⇔ (x + 5)(x - 4) = 0 ⇔ x + 5 = 0 or x - 4 = 0 ⇒ x = -5 or x = 4

Answer: C. x = -5 and x = 4.

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3 years ago

Find the slope of the line that passes through (65, 100) and (75, 97).

netineya [11]

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3 years ago

A cyclist rides his bike at a speed of 18 miles per hour. What is this speed in feet per second? How many feet will the cyclist

Kisachek [45]

Answer:

The distance travel by cyclist in 20 seconds is 528 feet .

Step-by-step explanation:

Given as :

The speed of cyclist riding bike = s = 18 miles per hour

Let The distance cover by cyclist in 20 seconds = d feet per sec

<u>Now, According to question</u>

∵ 1 miles = 5280 feet

∴ 18 miles = 5280 × 18 = 95,040 feet

So, The speed of cyclist in feet per hour = 95,040 feet per hour

<u>Again,</u>

∵ 1 hours = 3600 seconds

So, The speed of cyclist in feet per sec = $\dfrac{95040}{3600}$ ft/sec

∴ The speed of cyclist in feet per sec = 26.4 feet per second

<u>Again</u>

∵ In 1 sec the distance cover by cyclist = 26.4 feet

∴ In 20 sec the distance cover by cyclist = 26.4 × 20 feet

i.e In 20 sec the distance cover by cyclist = 528 feet

Hence, The distance travel by cyclist in 20 seconds is 528 feet . Answer

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3 years ago

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Pani-rosa [81]

Step-by-step explanation:

(2×10^8)(2×10^-2)
4×10^8+(-2)
4×10^6

<h3>stay safe healthy and happy.</h3>

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3 years ago

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