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3 years ago

14

1/10 of 400,000 is 10 times as much as?

1 answer:

mote1985 [20]3 years ago

5 0

40,000 is the answer

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The perimeter of Raul's picture frame is 108 centimeters. The length of the picture frame is 18 centimeters. What is the width o

o-na [289]

Perimeter of a rectangle= 2(length)+2(width)

Data:
Perimeter=108 cm
length=18 cm

therefore:
108 cm=2(18 cm)+2(width)
108 cm=36 cm+2 (width)
2 width=108 cm -36 cm=
2 width=72 cm
width=72cm/2
width=36 cm

Answer: the width of the picture frame would be 36 cm.

7 0

3 years ago

Evaluate the function at the indicated values if possible. If an indicated value is not in the domain, say so.

goldfiish [28.3K]

Answer:

f(-7)=0.

f(2)=-9/5.

f(3) doesn't exist because 3 isn't in the domain of the function.

Step-by-step explanation:

$f(x)=\frac{x+7}{x^2-9}$ is the given function.

We are asked to find:

$f(-7)$

$f(2)$

$f(3)$ .

f(-7) means to replace x in the expression called f with -7:

Evaluate $\frac{x+7}{x^2-9}$ at $x=-7$

$\frac{(-7)+7}{(-7)^2-9}$

$\frac{0}{49-9}$

$\frac{0}{40}$

$0$

So f(-7)=0.

f(2) means to replace x in the expression called f with 2:

Evaluate $\frac{x+7}{x^2-9}$ at $x=2$

$\frac{2+7}{2^2-9}$

$\frac{9}{4-9}$

$\frac{9}{-5}$

$\frac{-9}{5}$

So f(2)=-9/5

f(3) means to replace x in the expression called f with 3:

Evaluate $\frac{x+7}{x^2-9}$ at $x=3$

$\frac{3+7}{3^2-9}$

$\frac{10}{9-9}$

$\frac{10}{0}$

Division by 0 is not allowed so 3 is not in the domain of our function.

5 0

3 years ago

ZABD and ZDBC are supplementary angles.

PSYCHO15rus [73]

<h2>Answer:</h2>

<u>By supplementary angle property</u>,

x + 78° = 180°

x = 180° - 78°

x = 102°.

5 0

3 years ago

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Describe the solutions of 8 < n+4 in words

Harlamova29_29 [7]

There are infinite solutions.

By observing the inequality, we can tell that the unknown number, n, is greater than the number 4.

3 0

3 years ago

There are 4 times as many used cars in the car dealer ship lot is there a new car there are 120 cars total in the dealership lik

guapka [62]

There are 30 new cars and 90 used cars in the dealership.

120/4=30 new
120-30=90 used

6 0

3 years ago

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