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3 years ago

I need a story for 24-(6+3) I’m super confused cause all the stories here are hard for me to understand

Mathematics

1 answer:

Otrada [13]3 years ago

8 0

Answer:

Are there any options for this question?

Step-by-step explanation:

I cant answer it without options.

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What is the answer to -x+7=8

stira [4]

+
7
=
8
x
+
7
=
8
x+7=8

+
7
−
7
=
8
−
7

Solution
X =1

6 0

3 years ago

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A triangle has sides of length 7 cm, 12 cm, and 15 cm. What is the measure of the angle opposite the side that is 7 cm long? Rou

prisoha [69]

Answer:Given : A triangle has sides of length 7 cm, 12 cm, and 15 cm .

To find :Angle opposite the side that is 7 cm long? Round to the nearest degree.

Solution : We have a triangle of sides a=7 cm, b= 12 cm, c=15 cm.

By using cosine rule : a² = b²+c²- 2 bc cos(A).

Where angle A is opposite to side a=7 cm.

Plugging the values in formula ,

(7)² = (12)²+ (15)²- 2(12)(15) cos(A).

49 = 144 + 225 - 360 cos(A).

49 = 369 - 360 cos(A) .

-320 = - 360 cos(A) .

On dividing by - 360 and switching side

A = cos^{-1}(0.89) = 27 \ degrees .

Therefore, angle opposite the side that is 7 cm is 27 degrees.

5 0

3 years ago

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What is the answer to x-1=-5-x

maria [59]

Answer:

$x=-2$

Step-by-step explanation:

We have the equation $x-1=-5-x$

In order to solve for x, we need to get all of the x's to one side and everything else to the opposite side

$x-1=-5-x$

First, we can add 1 to each side

$x=-4-x$

Now, we can add x to each side

$2x=-4$

Next, we can divide each side by 2

$x=-2$

And here is our answer.

8 0

3 years ago

You invest $5,000 in a savings account paying 4% interest compounded quarterly. How much is in the account after 5 years if ther

Hitman42 [59]

1 years is $5200
2 years is $5408
3 years is $5624.32
4 years is $5849.29
5 years is $6083.26

3 0

3 years ago

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Change mixed fraction to improper fraction.

Andreas93 [3]

Answer:

2 3/4 = 11 /4

8 2/3 = 26/3

2 1/2 = 5/2

7 0

2 years ago

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