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Viefleur [7K]
3 years ago
11

Need help ASAP plzzzzzzzz

Mathematics
1 answer:
rusak2 [61]3 years ago
6 0
The second option. Consecutive interior
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8 15 27 blank 20 find the blank number​
777dan777 [17]

Answer:

the blank number is 23

Step-by-step explanation:

8, 15, 27, x, 20

common ratio, r= T2÷ T1= T3÷ T2

= 15 ÷ 8 =27÷ 15

= 1.8 = 1.8

20 ÷ x = x ÷ 27

( cross multiply,)

x²= 540

x =√540

x = 23.24

x = 23

6 0
4 years ago
Factor 2x3 +x2-14x-7
DerKrebs [107]
The factored form would be (2x + 1)(x^2 - 7)
5 0
4 years ago
Check whether the given numbers is a solution of the equation or inequality x+9=17;8
Nesterboy [21]

Answer:

It is a solution to the equation

Step-by-step explanation:

We just need to bring the value 9 to the right hand side of the equation

So we have;

x = 17 -9

x = 8

5 0
3 years ago
9. SHOW FULL STEPS. Solve for f(-4) and f(7) of the function below<br>f(x)=7-2x-3x²​
qwelly [4]

Answer:

f(-4) = 33

f(7) = -154

Step-by-step explanation:

In this question, you will solve the function by plugging in the given value.

Solve:

f(-4) = 7 - 2(-4) -3(-4)²​

= 7 - 2(-4) - 48

= 7 + 8 - 48

= 7 - 40

f(-4) = 33

----------------------------------

f(7) = 7 - 2(7) -3(7)²​

= 7 - 2(7) - 147

= 7 - 14 - 147

= 7 - 161

f(7) = -154

8 0
3 years ago
Simplify the expression to a + bi form: (10 + 6i)(- 2 - 4i)
shusha [124]

Answer:

4 - 52 i

Step-by-step explanation:

4 0
3 years ago
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