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timofeeve [1]
3 years ago
14

Which of these equations is correct when x = -2?

Mathematics
1 answer:
posledela3 years ago
7 0

Answer:

C. 2x - 7 = -11

Step-by-step explanation:

When you plug in the value of x into each equation, you will find that option C is correct. 2 times -2 is -4, and -4 minus 7 is -11, which is true.

Hope this helped! :)

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Scateboard cost Rs450each in my local store,The shop keeper says if I buy 1 I can buyanother for only 7/9 of the normal price,ho
Whitepunk [10]

Answer:

the cost will be Rs 350

Step-by-step explanation:

The Scateboard cost Rs 450 each in the local store,The shop keeper says if I buy 1 I can buy another for only \frac{7}{9} of the normal price. We are asked to determine the cost of a second scateboard .

Hence the cost will be \frac{7}{9} of the normal cost that is

\frac{7}{9} \times 450

7 \times 50

350

the cost will be Rs 350

6 0
4 years ago
Why did Washington respond so forcefully to the Whiskey Rebellion?
jeka57 [31]

Answer:

he felt that the new government had to show that it was capable of keeping order

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
I have 5 digits. My 4s are worth 4 (10000) and 4 ×10. My 3 is worth 3. The other is worth one tenth as much. My other digit is a
likoan [24]
The number is 40243 :)
hope this helps
4 0
3 years ago
Use decimals and the data for 1988 and 1996 to find the slope intercept form of a trend line
Tju [1.3M]
The answer would be <span>y = 312.5x + 1564

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4 0
3 years ago
Please help me answer all parts of question 3 in the photo.
Nookie1986 [14]
(i.) CA = πrl
CA = π (5*13)
CA = 65π

(ii.) TA = πrl + πr^2
TA = 65π + π (5^2)
TA = 65π + 25π
TA = 90π

(iii.) To get the height of the cone, you have to use the Pythagorean theorem. Plug in the radius for a and the slant height for c.

a^2 + b^2 = c^2
5^2 + b^2 = 13^2
25 + b^2 = 169 Height = 12
b^2 = 144
b = 12

(iv.) v = (1/3)πr^2h
v = (1/3)π(5^2)*12
v = (1/3)π(25*12)
v = (1/3)π*300
v = 100π


5 0
3 years ago
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