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Sedbober [7]
3 years ago
14

Find the value of k if it is known that the graph of y=kx+2 goes through point: C(3, −7)

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
4 0
If the graph goes through

(3,-7)

then

-7=k(3)+ \: 2
3k= -7- \: 2
3k =  - 9
k =  - 3
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A baker needs more than 120 minutes to let their dough rise.
Sedaia [141]

<u>Answer:</u>

m > 120

<u>Step-by-step explanation:</u>

<h3>How do we represent inequalities?</h3>

Inequalities are expressed using either the '>' or '<' symbols.

• The symbol '>' means "greater than". For example, 6 > 3, which means '6 is greater than 3'.

• The symbol '<' means "smaller than".  For example, 5 < 9, which means '5 is smaller than 9.

In this example, if the baker needs more than 120 minutes, and <em>m</em> represents the number of minutes, then:

\boxed{m > 120}.

This inequality means 'm is greater than 120'.

Learn more about inequalities here:

brainly.com/question/27983877

7 0
2 years ago
A sector with a radius of 15cm has a central angle measure of 8pi/5 (in radians)
hodyreva [135]

Answer:

565.49 cm2

Step-by-step explanation:

The area of a circle is given by:

Area = pi * r^2

And the whole area represents a central angle of 2pi.

Then, to find the area of this sector, we just need to use a rule of three:

area of pi * r^2 -> central angle of 2pi

area of x -> central angle of 8pi/5

x * 2pi = pi * r^2 * 8pi/5

2x = r^2 * 8pi/5

x = r^2 * 4pi/5 = 15^2 * 4pi/5 = 565.49 cm2

4 0
3 years ago
doug owns a lawn mowing service and landscaping business. the income from the business is given by the function f(x) = 2x + 54,
umka21 [38]

Answer:

For 2 parallelograms, the corresponding side lengths are 1 inch and x inches, and 2 inches and 6 inches.

Not drawn to scale

StartFraction 1 over x EndFraction = StartFraction 2 over 6 EndFraction

StartFraction 1 over x EndFraction = StartFraction 6 over 2 EndFraction

StartFraction 1 over 6 EndFraction = StartFraction 2 over x EndFraction

One-half = StartFraction 6 over x EndFraction

Step-by-step explanation:

6 0
3 years ago
Marcus has a life insurance policy that will pay his family $35,000 per year if
Goshia [24]

Answer: 1.4 mill

Step-by-step explanation: I just took the test

8 0
3 years ago
A spinner with 4 equal sections (red, blue, green, yellow) is spun 43 times. About how many times would you predict it lands on
Andrews [41]

Answer:

11 times

Step-by-step explanation:

Sample space = {red, green, blue, yellow)

Probability of landing blue in a single spin ;

P(blue) = required outcome / Total possible outcomes

P(blue) = number of blue / sample space

P(blue) = 1/4

Number of spins = 43

Expected number of times it'll land on blue :

P(blue) * number of spins

1/4 * 43 = 10.75

About 11 times

7 0
3 years ago
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