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3 years ago

Look at all three circles below. All circles have the same pattern. What number should replace the question mark?

Mathematics

1 answer:

ahrayia [7]3 years ago

6 0

16 :)

please mark brainliest??

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Solve the system of equations using the elimination method. 2x − 3y = 50;7x + 8y = −10

lorasvet [3.4K]

Answer: C. (10, -10)

Step-by-step explanation:

Given

1) 2x-3y=50

2) 7x+8y=-10

Multiply both sides of 1) equation by 3.5

1) 3.5(2x-3y)=3.5×50

7x-10.5y=175

2) 7x+8y=-10

Subtract 2) equation from the 1)

(7x-10.5y)-(7x+8y)=175-(-10)

-18.5y=185

y=-10

x=10

(10, -10)

Hope this helps!! :)

Please let me know if you have any questions

4 0

3 years ago

Read 2 more answers

ok so I have a table that goes 6 down then 2 sides, and I have one side done and from the top to bottom its 7-14-21-28-35-42 the

sesenic [268]

Answer:

Huh.....................

4 0

3 years ago

Express sin A,cos A and tan A as ratios

OverLord2011 [107]

Answer:

Part A) $sin(A)=\frac{2\sqrt{42}}{23}$

Part B) $cos(A)=\frac{19}{23}$

Part C) $tan(A)=\frac{2\sqrt{42}}{19}$

Step-by-step explanation:

Part A) we know that

In the right triangle ABC of the figure the sine of angle A is equal to divide the opposite side angle A by the hypotenuse

$sin(A)=\frac{BC}{AB}$

substitute the values

$sin(A)=\frac{2\sqrt{42}}{23}$

Part B) we know that

In the right triangle ABC of the figure the cosine of angle A is equal to divide the adjacent side angle A by the hypotenuse

$cos(A)=\frac{AC}{AB}$

substitute the values

$cos(A)=\frac{19}{23}$

Part C) we know that

In the right triangle ABC of the figure the tangent of angle A is equal to divide the opposite side angle A by the adjacent side angle A

$tan(A)=\frac{BC}{AC}$

substitute the values

$tan(A)=\frac{2\sqrt{42}}{19}$

8 0

3 years ago

Round to the place value of the underline digit..497,385... 9

jek_recluse [69]

500,000 because the 7 is big enough to boost up the 9 into a 10 so you make it a the number before the nine (the 4) into a 5 so 500,000

8 0

3 years ago

Callista needs a carpet runner for her hallway. She needs it to be 1 1 2 feet wide and 10 feet long. What is the area of the car

Pavlova-9 [17]

Does the number say that 112? Or 1 1/2??? If it’s 112 it’s 1120. If it’s 1 1/2 it’s 15

3 0

3 years ago