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nordsb [41]
3 years ago
7

Equation: -5 3/4- 3 1/2 Please help meh. ​

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

-9\frac{1}{4}

Step-by-step explanation:

-5\frac{3}{4}-3\frac{1}{2}

Step 1: Factor out the common term -1

=-\left(5\frac{3}{4}+3\frac{1}{2}\right)

Step 2: Add the whole numbers

5 + 3 = 8

Step 3: Combine the fractions:

\frac{3}{4}+\frac{1}{2} = \frac{5}{4}\\\\=-\left(8+\frac{5}{4}\right)

Step 4: Convert the improper fractions to mixed numbers

\frac{5}{4} = 1\frac{1}{4}\\\\=-\left(8+1\frac{1}{4}\right)

Step 5: Add the numbers

8 + 1 =9 \\\\=-9\frac{1}{4}

Therefore, the answer to the equation is -9\frac{1}{4} in fraction, and decimal; 9.25

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elena55 [62]

Answer:

20

Step-by-step explanation:

10 + 10

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Just add units place first.

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Then tens place.

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2 years ago
Maya's history test had 40 questions. She answered 95% of the items correctly. How many questions did Maya answer correctly?
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Maya got 38 of them right

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An angle measures 111.4° more than the measure of its supplementary angle. What is the measure of each angle?
fomenos

The measure of the supplementary angles are 34.3 and 145.7 degrees.

<h3>What are supplementary angles?</h3>

Supplementary angles are those angles that sum up to 180 degrees.

In other words, two angles are Supplementary when they add up to 180 degrees.

Therefore, the angles measures 111.4° more than the measure of it's supplementary angle.

Hence,

let

x = measure of the other angle

x + x + 111.4 = 180

2x + 111.4 = 180

subtract 111.4 from both sides

2x + 111.4 - 111.4 = 180 - 111.4

2x = 68.6

divide both sides by 2

x = 68.6 / 2

x = 34.3

Other angle  = 34.3 + 111.4 = 145.7°

Therefore, the measure of the supplementary angles are 34.3 and 145.7 degrees.

learn more on supplementary angles here: brainly.com/question/15966137

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6 0
1 year ago
The equation of the line of best fit of a scatter plot is
Verizon [17]

Answer:

-6

Step-by-step explanation:

y intercept is -6 because formula of gradient is y=mx+c.......c is the y intercept

5 0
3 years ago
A round balloon has a diameter of 7 inches
gizmo_the_mogwai [7]

Answer:

The right answer is approximately 210.031 cubic inches. (Answer: E)

Step-by-step explanation:

First, we need to convert the diameter (D), in inches, of the round balloon to an entirely decimal mode:

D = 7\,in + \frac{3}{8}\,in

D = \frac{56 + 3}{8}\,in

D = \frac{59}{8}\,in

D \approx 7.375\,in

The volume of the balloon is modelled after the volume function of a sphere (V), in cubic inches:

V = \frac{\pi}{6}\cdot D^{3} (1)

If we know that D \approx 7.375\,in, then the volume of the round balloon is:

V = \frac{\pi}{6}\cdot D^{3}

V = \frac{\pi}{6} \cdot (7.375\,in)^{3}

V \approx 210.031\,in^{3}

Hence, the right answer is approximately 210.031 cubic inches.

6 0
2 years ago
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