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Burka [1]
3 years ago
7

Identify the slope and line intercept for y = 3x + 1

Mathematics
1 answer:
dolphi86 [110]3 years ago
5 0

Answer:

Intercept  - 1

Slope - 3

Step-by-step explanation:

in y=mx+b

m is the slope and b is the y intercept

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7. A cone has a volume of 942 cubic inches
Harman [31]

Answer:

Step-by-step explanation:

V of a cone V=3.14* r^2*h/3

942=3.14*r^2*9/3

r^2=942/(3.14*3)=100

r=sqrt100=10

6 0
3 years ago
What 65 percent of 89
Pie
65% of 89

65/100 = .65

.65 * 89 = 57.85

Answer: 57.85
5 0
3 years ago
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What is equivalent 2:5
Verdich [7]

Answer:

The fraction equivalent to 2:5 are

4:10

6:15

8:20 etc.

Equivalent fractions have the same value in the reduced form.

7 0
3 years ago
Secant BE and CF intersect at point A inside D. What is the measure of BF?
svet-max [94.6K]

Answer:

\text{BF}=80^{\circ}

Step-by-step explanation:

We have been given a circle D. Secant BE and CF intersect at point A inside D. We are asked to find the measure of arc BF.

We know that when two secants intersect inside a circle, then the measure of angle formed is half the sum of intercepting arcs.

m\angle EAF=\frac{\text{Measure of arc EF+Measure of arc BC}}{2}

70^{\circ}=\frac{\text{Measure of arc EF+Measure of arc BC}}{2}

2*70^{\circ}=\frac{\text{Measure of arc EF+Measure of arc BC}}{2}*2

140^{\circ}=\text{Measure of arc EF+Measure of arc BC}

We know that degree measure of circumference of circle is 360 degrees, so we can set an equation as:

\text{Arc EF+BC+EC+BF}=360^{\circ}

140^{\circ}+140^{\circ}+\text{BF}=360^{\circ}

280^{\circ}+\text{BF}=360^{\circ}

280^{\circ}-280^{\circ}+\text{BF}=360^{\circ}-280^{\circ}

\text{BF}=80^{\circ}

Therefore, the measure of arc BF is 80 degrees.

5 0
3 years ago
Marlene noticed that when a pair of parallel lines was cut by a transversal, two particular vertical angles were reflections of
Trava [24]
A.the measures of the angles must be equal
Vertical Angles- are the angles opposite of each other when two lines cross. They are always equal.
3 0
3 years ago
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