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Alchen [17]
3 years ago
13

Find the sum of the first 21 terms of the arithmetic sequence 5, -2, -9.

Mathematics
2 answers:
Vadim26 [7]3 years ago
6 0

Answer:

-1365

Step-by-step explanation:

The difference is -7, so you apply that to each number to get your answer.

USPshnik [31]3 years ago
5 0
The correct answer is idk for me
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Four-fifths of the sum of b and 9
kirill [66]

Step-by-step explanation:

4/5 (b +9)

4/5×b + 4/5×9

4b/5 + 36/5

4b/5 + 72/10

4b/5 + 7.2

5 0
2 years ago
Use the distributive property to rewrite the expression: 5(3p -8)
makkiz [27]

Answer:

15p-40

Step-by-step explain

i think is this

8 0
2 years ago
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Express 45 minutes as a fraction of 1 hour ​
Pepsi [2]

Answer:

\frac{3}{4}

Step-by-step explanation:

There are 60 minutes in 1 hour

To express as a fraction

\frac{45}{60}

Divide numerator/denominator by 15

\frac{45}{60} = \frac{3}{4}

8 0
3 years ago
8 less than the product of 9 and a number is 15
Shkiper50 [21]
8-9n=15 I believe
At least I hope
4 0
2 years ago
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Given h(x) = |x+3| -5
statuscvo [17]

Answer:

The parent function f(x) is equal to f\left(x\right)=\left|x\right|

The translations is 3 units to the left and 5 units down

Step-by-step explanation:

we have

h\left(x\right)=\left|x+3\right|-5

The vertex of the function h(x) is the point (-3,-5)

we know that the parent function f(x) is equal to

f\left(x\right)=\left|x\right|

The vertex of the function f(x) is the point (0,0)

so

The rule of the transformation of f(x) to h(x) is equal to

(x,y) -----> (x-3,y-5)

That means ----> The translations is 3 units to the left and 5 units down

4 0
3 years ago
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