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3 years ago

Can someone help me with this. Will Mark brainliest.

Mathematics

1 answer:

Lynna [10]3 years ago

3 0

Answer:

pt B: (-1, -8)

Step-by-step explanation:

(x - 7)/2 = -4

x - 7 = -8

x = -1

(y-6)/2 = -7

y - 6 = -14

y = -8

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Shay created the table below to graph the equation r-3-sin theta (rounded to the hundredths place). Analyze the table. Did Shay

monitta

Answer:

B is false

Step-by-step explanation:

Let's check Shay's table:

if $\theta=0,$ then $r=3-\sin 0=3-0=3$ (true);
if $\theta =\dfrac{\pi}{6},$ then $r=3-\sin \dfrac{\pi}{6}=3-\dfrac{1}{2}=2.5$ (true);
if $\theta = \dfrac{\pi}{4},$ then $r=3-\sin \dfrac{\pi}{4}=3-\dfrac{\sqrt{2}}{2}\approx2.29$ (true);
if $\theta=\dfrac{\pi}{3},$ then $r=3-\sin \dfrac{\pi}{3}=3-\dfrac{\sqrt{3}}{2}\approx 2.13$ (false);
if $\theta =\dfrac{\pi}{2},$ then $r=3-\sin \dfrac{\pi}{2}=3-1=2$ (true).

4 0

4 years ago

I need to know what x equals

taurus [48]

Answer:

x = 7

Step-by-step explanation:

4 + 5(x + 2) = 7x

4 + 5x + 10 = 7x

5x - 7x = - 4 - 10

- 2x = - 14

- x = - 14/2

- x = - 7

x = 7

8 0

3 years ago

Why is the hcf of some numbers 1

White raven [17]

The hcf is also known as the GCF (Greatest Common Factor)

The HCF or GCF can sometimes be one because one of the numbers might be prime.

Prime numbers are the numbers that can be divided by only one and themselves.

7 0

3 years ago

I want the answer for this sol 2 ( p - (-3) ) + 4 (-3 - 3) + 6 (3 - p)

Neko [114]

Step-by-step explanation:

(p-3)+4(-3-3)+6(3-p)

(remove unneeded parentheses and calculate the differences)

-3+4(-6)+18-6p

(Multiply the numbers)

P-3-24+18-6p= -5p-9

(Collect the like terms and calculate the sum or difference)

Answer: -5-9

hope this helps!

8 0

4 years ago

Deshaun works mowing lawns and babysitting. He eams $8.50 an hour for mowing and $7.30 an hour for babysitting. How much will he

igor_vitrenko [27]

Answer: $87.50

Step-by-step explanation: Lets write an expression to represent this situation.

(8.50 x 6) + (7.30 x 5)

Next solve inside the parentheses first. 8.50 x 6 = 51 and 7.30 x 5 = 36.50

Now we add

51 + 36.50 = 87.50

So in total, Deshaun will earn $87.50

3 0

4 years ago

Read 2 more answers