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3 years ago

Help me please..I really need help with this one.

Mathematics

2 answers:

Sonbull [250]3 years ago

7 0

Answer:

152

Step-by-step explanation:

you are trying to find an equal to 180o so all you have to do is subtract

plz mark brainliest if this helped when u can

Oksana_A [137]3 years ago

5 0

The inside angle given as 28 degrees and x are supplementary angles, which need to equal 180 degrees when added together.

The equation would be x +28 = 180

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4 years ago

What is the answer to this question ? 3a-4=5

Nataly_w [17]

Answer:

a=3

Step-by-step explanation:

a=3 because 5+4=9 and 9÷3=3

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3 years ago

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2 years ago

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Use the equation P(A or B)= P(B)-P(A and B) to find the missing value below.

Anvisha [2.4K]

Answer:

$P(B) = \frac{7}{8}$

Step-by-step explanation:

Given

P(A or B)= P(B)-P(A and B)

P(A)=1/3

P(A and B)=1/8

P(A or B)= 3/4

Required

Find P(B)

To find P(B), all we need to do is to substitute values of P(A or B) and P(A and B) in the given equation.

This goes thus;

P(A or B) = P(B) - P(A and B) becomes

$\frac{3}{4} = P(B) - \frac{1}{8}$

Make P(B) the subject of formula

$P(B) = \frac{3}{4} + \frac{1}{8}$

Take L.C.M

$P(B) = \frac{6 + 1}{8}$

Add fractions

$P(B) = \frac{7}{8}$

From the workings above, the value of P(B) using the given equation is $\frac{7}{8}$

6 0

3 years ago

1/4 of what gets me to 45

gregori [183]

1/4 of 180 gets you the answer 45

4 0

3 years ago