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3 years ago

Write each fraction or mixed number as a decimal. Use bar notation if the decimal is a repeating decimal.

Mathematics

1 answer:

user100 [1]3 years ago

6 0

$4\frac{7}{8}=4.875$

$-\frac{13}{15}=-0.8\overline{6}$

$\frac{47}{99}=0.\overline{47}$

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How do I use intercepts to graph 3y= - 5x - 30

expeople1 [14]

Answer:

y-intercept is (0,-10) and x-intercept is (-6,0). Connect them by a straight line to graph the given equation.

Step-by-step explanation:

The given equation of line is

$3y=-5x-30$

For x=0,

$3y=-5(0)-30$

$3y=-30$

$y=-10$

So, y-intercept is at point (0,-10).

For y=0,

$3(0)=-5x-30$

$0=-5x-30$

$5x=-30$

$x=-6$

So, x-intercept is at point (-6,0).

Now, plot the point (0,-10) and (-6,0) on a coordinate plane and connect them by a straight line to graph the given line as shown below.

7 0

4 years ago

Round to the nearest tenth.

laila [671]

Answer:

8.2 units

Step-by-step explanation:

Given that the only information for our triangle are 2 sides and 1 angle, we must use the Law of Cosines to find side BC

Recall the Law of Cosines

$a^2=b^2+c^2-2bc\cdot cos(A)$

Identify angles and sides

$m\angle A=23^\circ\\a=BC=?\\b=AC=14\\c=AB=6$

Solve for side "a"

$a^2=b^2+c^2-2bc\cdot cos(A)\\\\a^2=14^2+6^2-2(14)(6)\cdot cos(23^\circ)\\\\a^2=196+36-168cos(23^\circ)\\\\a^2=222-168cos(23^\circ)\\\\a=\sqrt{222-168cos(23^\circ)}\\ \\a\approx8.2$

Therefore, the length of line segment BC is about 8.2 units

8 0

2 years ago

Maria bought a 30 pound bag of dog food. In the first month her dog ate ate 12 2/5 pounds of dog food. In the second month her d

Flauer [41]

Answer:

24 1/5

Step-by-step explanation:

First you add 12 2/5 + 11 4/5 and that leaves you with 23 6/5 simplify it into 24 1/5 and you get your answer!

5 0

3 years ago

Malcolm buys 15 uniforms for the basketball team he pays 375 in total which ratios describe the relationship of price to uniform

Klio2033 [76]

25:1 describes price to uniforms because each one costs $25

8 0

4 years ago

What undefined term is used to describe an angle?

Len [333]

An angle is composed of two rays that intercept at a point and both ray and point are undefined. that is as much as i know.

4 0

3 years ago