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2 years ago

9x + 7 Verbal Expression

Mathematics

2 answers:

Ivanshal [37]2 years ago

5 0

Today started off at 7 degrees but every hour increased by 9.

Dvinal [7]2 years ago

3 0

Answer:

-7

Step-by-step explanation:

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Mhanifa Plz help me with this thank you!

Ivanshal [37]

Answer:

Step-by-step explanation:

This is an example of the Pythagorean theorem.

In triangle BEH, the sum of the squares of the sides of the two smaller sides, BE and BH is equal to the longest side squared, EH.

8 0

2 years ago

Find the value of x for which m parallel to n

s344n2d4d5 [400]

3x - 36 + 2x + 26 = 180
5x - 10 = 180
5x = 180 + 10
5x = 190
x = 190/5
x = 38 <==

3 0

3 years ago

Simplify the expression -1/2(-5/6 +1/3) thank you :)

dybincka [34]

Answer:

1/4

Step-by-step explanation:

-1/2(-5/6 +1/3)

PEMDAS

parentheses first

(-5/6 +1/3)

Get a common denominator

-5/6 + 1/3 *2/2

-5/6 + 2/6 = -3/6 = -1/2

Substitute this back in

-1/2 ( -1/2)

Multiply

1/4

8 0

3 years ago

For what values of x'is x2 + 2x = 24 true?

Paladinen [302]

Answer:

$\boxed{Values \: true \: of \: 'x' \: for \: equation \: {x}^{2} + 2x = 24 \: is \: -6 \: and \: 4}$

Step-by-step explanation:

$= > {x}^{2} + 2x = 24 \\ \\ = > {x}^{2} + 2x - 24 = 0 \\ \\ = > {x}^{2} + (6 - 4)x - 24 = 0 \\ \\ = > {x}^{2} + 6x - 4x - 24 = 0 \\ \\ = > x(x + 6) - 4(x + 6) = 0 \\ \\ = > (x + 6)(x - 4) = 0 \\ \\ = > x + 6 = 0 \: \: \: \: \: \: \: \: and \: \: \: \: \: \: \: \: \: x - 4 = 0 \\ \\ = > x = - 6 \: \: \: \: \: \: \: \: \: \: and \: \: \: \: \: \: \: \: \: x = 4$

Values true of 'x' for equation x² + 2x = 24 is -6 and 4

7 0

3 years ago

An instructional video is 7.8 minutes ling how ling is the video in ? how long is it in hours?

stich3 [128]

Answer:

0.13 hours

468 seconds

Step-by-step explanation:

7.8 min= 7.8/60= 0.13 hours

7.8 min= 7.8x60= 468 seconds

3 0

2 years ago