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stepladder [879]
4 years ago
8

If x=4, then 5x=20 select the property

Mathematics
1 answer:
podryga [215]4 years ago
6 0
Multiplication. When a variable is right next to a number and not as an exponent.
You might be interested in
What is the answer for (1/2 divided by 2/7) divided by 4/3
Kaylis [27]

Answer:

1.3125

Step-by-step explanation:

1/2 divided by 2/7 is 1.75

1.75 divided by 4/3 equals 1.3125

6 0
3 years ago
Given (x)=-x²+2x,determine<br> F'(x) using first principle
mote1985 [20]
Hello,
which principle?

f(x)=-x²+2x
==>f'(x)= -2x+2

You mean maybe this

\lim_{h \to 0} \frac{f(x+h)-f(x) } {h}


f(x+h)=-(x+h)²+2(x+h)= -(x²+2hx+h²)+2x+2h
f(x)=-x²+2x

\lim_{h \to 0} \frac{f(x+h)-f(x) } {h}=\lim_{h \to 0}\frac{-2hx-h^2+2h}{h}=\lim_{h \to 0}\frac{-2x-h+2}{1}=-2x+2

6 0
3 years ago
Whitey calved an 87-pound calf on March 8. The calf was sold 245 days later
miskamm [114]
515 - 87 = 428
428/245 = 1.746938
To the nearest tenth = 1.7 lbs
4 0
3 years ago
PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! I NEED TO FINISH THESE QUESTIONS BEFORE MIDNIGHT TONIGHT.
sammy [17]

Answer:

The answer to your question is VW = 2.2

Step-by-step explanation:

Data

angle = 63°

hypotenuse = ?

adjacent side = 1

Process

To solve this problem use trigonometric functions, the trigonometric function that relates the adjacent side and the hypotenuse is cosine.

        cos α = \frac{adjacent side}{hypotenuse}

solve for hypotenuse

        hypotenuse = \frac{adjacent side}{cos \alpha}

Substitution

        hypotenuse = \frac{1}{cos 63}

Simplification

         hypotenuse = \frac{1}{0.45}

Result

         hypotenuse = 2.2

5 0
3 years ago
Read 2 more answers
Through (-3,-3) and (-5,4)
GREYUIT [131]

Answer:

I believe the answer to this question is: Slope-Intercept-Form;

Y= - 7/2x - 27/2.

5 0
3 years ago
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