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babymother [125]
3 years ago
8

Draw a bar model that shows a pen is 4 times as long as an eraser that is 1 1/3 inches long.

Mathematics
2 answers:
Lisa [10]3 years ago
7 0
14.6 

is that in decimal form

Mandarinka [93]3 years ago
7 0

Answer:

Idk please give me like I don't understand

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Can someone please explain to me how they got 44 degrees??
prisoha [69]

Answer:

Sine rule states that the ratio of a side of a triangle to the angle opposite the side is equivalent for all 3 sides and their respective opposite angles.

\boxed{ \frac{sinA}{a}  =  \frac{sinB}{b}  =  \frac{sinC}{c} }

Thus, the side opposite ∠B is side AC, which is 10 units long. The side opposite ∠A is side BC, which is 8 units long. Substitute these values into the formula. (We are at line 2 of working)

Line 3: multiply both sides by 10 to find sinB

This would give us

sinB = \frac{10sin34°}{8}

This is can also be written as: (as seen in line 4)

sinB =  \frac{10}{8}( sin34°)

To find the measure of angle B:

m∠B = sin^{ - 1} ( \frac{10sin34°}{8} ) \\ m∠B = 44° \\ (nearest \: degree)

<em>~ Explanation for line 6 and onwards~</em>

The sine of an angle is positive in quadrants I and II. Since sinB is positive (≈0.69899), we are looking at these 2 quadrants. Since the reference angle is 44° rounded off to the nearest whole degree, in quadrant I, the angle would be 44° too.

In quadrant 2, the angle would be 180° -44°= 136°.

6 0
3 years ago
a bookstore sells 617 books on moday ,498 books on tuesday, and 563 books on wednsday. on which two days did the bookstore sell
laila [671]
Monday and wednesday
8 0
4 years ago
Read 2 more answers
3 percent of 420 is what ?
Alenkasestr [34]
Hi there! The answer is 12.6


First we need to change the percentage into a decimal. To convert this percentage, we have to divide it by 100.

3\% = 0.03


Hence, to find 3 percent of 420, we must multiply 420 by 0.03. We get the following:

3\% \times 420 = 0.03 \times 420 = 12.6

~ Hope this helps you!
5 0
3 years ago
Read 2 more answers
(9)<br> 2 in<br> 5 in<br> Perimeter:<br> Area:
Anestetic [448]

Step-by-step explanation:

The area = 2 × 5 = 10

The perimeter = 2(2 + 5) = 14

please give me a brainliest answer

7 0
3 years ago
Use the least common denominator to write an equivalent fraction for each fraction. 2 6 , 7 8 The least common denominator is 24
seraphim [82]

Answer:

2/6 = 48/144

7/8 = 168/192

Step-by-step explanation:

Use the least common denominator to write an equivalent fraction for each fraction. 2/6 , 7/8 The least common denominator is 24 .

2/6 can be rewritten as __

We Multiply both numerator and Denominator by 24

48/144

7/8 can be rewritten as __

We Multiply both numerator and Denominator by 24

168/192

8 0
3 years ago
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