2 years ago

If, f(x) = x^2 + 3x -2, then f(a + 1) = I hate homework

Mathematics

1 answer:

rewona [7]2 years ago

7 0

Answer:

Step-by-step explanation:

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John is five years older than his sister. The product of their present ages is 150.

photoshop1234 [79]

Took 3 of us in grade 10 but johns present age is 77.5 and his sister is 72.5

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3 years ago

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A store purchased a picnic basket for $9.88 and marked it up 55%. During a sale, the store marked it down 5%. What was the disco

vivado [14]

Answer:

14.82

Step-by-step explanation:

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2 years ago

In the figure, a square is inside another bigger square.

evablogger [386]

Answer:

Part 1) The length of the diagonal of the outside square is 9.9 units

Part 2) The length of the diagonal of the inside square is 7.1 units

Step-by-step explanation:

step 1

Find the length of the outside square

Let

x -----> the length of the outside square

c ----> the length of the inside square

we know that

$x=a+b=4+3=7\ units$

step 2

Find the length of the inside square

Applying the Pythagoras Theorem

$c^{2}= a^{2}+b^{2}$

substitute

$c^{2}= 4^{2}+3^{2}$

$c^{2}=25$

$c=5\ units$

step 3

Find the length of the diagonal of the outside square

To find the diagonal Apply the Pythagoras Theorem

Let

D -----> the length of the diagonal of the outside square

$D^{2}= x^{2}+x^{2}$

$D^{2}= 7^{2}+7^{2}$

$D^{2}=98$

$D=9.9\ units$

step 4

Find the length of the diagonal of the inside square

To find the diagonal Apply the Pythagoras Theorem

Let

d -----> the length of the diagonal of the inside square

$d^{2}= c^{2}+c^{2}$

$d^{2}= 5^{2}+5^{2}$

$d^{2}=50$

$d=7.1\ units$

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3 years ago

Read 2 more answers

3 out of every 5 picks are orange. If 12 picks are orange, how many picks are there in all?

alexandr1967 [171]

Answer:

the are 15 orange ones

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3 years ago