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Marina CMI [18]
3 years ago
6

F(x)=x^2+8x-10 find f(a)+5

Mathematics
1 answer:
Papessa [141]3 years ago
4 0

Answer:

We conclude that:

f(a) + 5 = a² + 8a - 5

Step-by-step explanation:

Given

The function is given by

f(x) = x²+8x-10

To determine

f(a)+5

In order to determine f(a)+5, first, we need to determine f(a).

Now substitute x = a in the function f(x) = x²+8x-10

f(a) = (a)² + 8(a) - 10

f(a) = a² + 8a - 10

Thus,

f(a) + 5 = (a² + 8a - 10) + 5

f(a) + 5 = a² + 8a - 5

Therefore, we conclude that:

f(a) + 5 = a² + 8a - 5

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Given to
zheka24 [161]

Answer:

Step-by-step explanation:

Given:

\frac{AD}{DC}=\frac{BE}{EC}

To Prove:

AB║DE

Solution:

Since, corresponding sides of ΔACB and ΔDCE are proportional,

\frac{AD}{DC}=\frac{BE}{EC}

Both the triangles will be similar.

ΔACB ~ ΔDCE [By SAS property of similarity]

Therefore, ∠1 ≅ 2 [CPCTC]

Since, ∠1 and ∠2 are the corresponding angles

Therefore, AB║DE [Converse of corresponding angles theorem]

7 0
3 years ago
A robot can complete 7 tasks in 5/6 hour. Each task takes the same amount of time. How long does it take the robot to complete o
tester [92]

Answer:

5/42

Step-by-step explanation:

To solve this problem, you have to divide 7 and 5/6 to find the unit rate (how much hours it takes to do one task).

  1. Write what you know into a ratio

<u>7 tasks</u>

5/6 hour

2. You want to know how many hours one task takes, so make that a ratio as well.

<u>7 tasks   </u>          <u>  1 task</u>

5/6 hour            ? hour

Ask yourself what do you do to the 7 in the numerator to get to one.

That's right! you divide by 7! And whatever you do to the numerator you do to the denominator (and vise-versa). Therefore if you divide the numerator(7) by 7 to get 1, you divide the denominator (5/6) by 7 as well.

5/6 divided by 7 is 5/42 meaning it takes the robot 5/42 hour to complete one task.

<u>1 task</u>

5/42 hour

6 0
3 years ago
I'm in dire need of help with this question.
jarptica [38.1K]
Hey!!

here comes the answer >>>

Corresponding angles are the ones , which sum up to 180° the given question is angle C and angle F , H and A , D and E , B and G

C and F
H and A
D and E
B and G

Vertical angles = called as the vertical opposite angles , both these angles are the same!.

So the angles are ,

A and C
B and D
E and G
F and H

hope my answer helps!
7 0
3 years ago
Read 2 more answers
Help and I will follow
inn [45]

Answer:

32

Step-by-step explanation:

Our total is x.

Maysa took half of the cherries, so there is .5x left.

Nabilla took half of the remaining, so that is .5*0.5x, which is .25x

Abdulla took 3.

Your equation is:

.25x-3=5

.25x=8

x=32

So there are 32 cherries

7 0
3 years ago
If x = -3 calculate the value of: x3 + x
lisabon 2012 [21]
3x+x=y
3(-3)+(-3)=y
-9-3=y
-12=y

Therefore the value of x3+x is -12

7 0
3 years ago
Read 2 more answers
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