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sveta [45]
3 years ago
12

What is -7/12 + 3/8?

Mathematics
2 answers:
inna [77]3 years ago
7 0

Answer:

-\frac{5}{24}

Step-by-step explanation:

zhannawk [14.2K]3 years ago
4 0

Answer:

\frac{-5}{24}

Step-by-step explanation:

let's use a common denominator! the easiest way is to multiply each side's numerator and denominator by the other's denominator. let's do this problem!

\frac{-7(8)}{12(8)} ----> \frac{-56}{96}

\frac{3(12)}{8(12)}-----> \frac{36}{96}

now that we have similar denominators, we can add the two numerators together!

-56 + 36 = -20!

\frac{-20}{96}

but wait! we can simplify it by dividing by 5 on both the numerator and denominator,

\frac{-5}{24}

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What is the base of a triangle that has a height of 6 centimeters and an area of 18 centimeters? Use the formula h = StartFracti
azamat

Answer:

h = 6 cm

Step-by-step explanation:

Atriangle = b×h/2

18cm² = 6cm×h/2

36cm² = 6cm×h

h = 36cm²/6cm

h = 6 cm

3 0
3 years ago
Read 2 more answers
I just need b and c please thx. ​
cricket20 [7]

The answer for b is 18 ; 2×6 +3×2

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5 0
2 years ago
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Help please, im unsure ​
Helen [10]

Answer:

The value of AM = 43

Step-by-step explanation:

As point M is the midpoint of AB, so

  • AB = AM + BM
  • AM = BM

Given

AB = 8x - 50

AM = 2x + 9

so substituting AB = 8x - 50 and AM = 2x + 9 in the equation AB = AM + BM

AB = AM + BM

8x - 50 = 2x + 9 + BM

8x - 2x - 50 - 9 = BM

6x - 50 = BM

Thus,

BM = 6x - 59

As

AM = BM

so substituting AM = 2x + 9 and BM = 6x - 59 in the equation AM = BM

2x + 9 = 6x - 59

switch sides

6x - 59 = 2x + 9

subtract 2x from both sides

6x - 2x - 59 = 2x + 9 - 2x

4x - 59 = 9

add 59 to both sides

4x - 59 + 59 = 9 + 59

4x = 68

divide both sides by 4

4x/4 = 68/4

x = 17

Thus, the value of x = 17

Therefore, the value of AM will be:

AM = 2x + 9 = 2(17) + 9 = 34 + 9 = 43

Hence, the value of AM = 43

<u>Verification:</u>

AM = BM

2x + 9 = 6x - 59

2(17) + 9 = 6(17) - 59

34 + 9 = 102 - 59

43 = 43

and

AB = 8x - 50 = 8(17) - 50 = 86

8 0
3 years ago
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Neither - They are
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Can someone help me solve. I'm not sure if I did it right.
Law Incorporation [45]

Answer:

X≤-8

Step-by-step explanation:

First use distributive property on right side so 37+3x<=-8-3x-3 so 37+3x<=-3x-11 so 6x<=-48 so X≤-8

5 0
3 years ago
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