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3 years ago

What is greater than 4 and less than 5 and double it

Mathematics

1 answer:

Schach [20]3 years ago

7 0

Answer: 9

Step-by-step explanation: 4.5 is greater than 4 and less than 5 and when u double it (4.5*2) you will get 9

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If f(x) = 2x2 + 3x and g(x) = x – 2, what is (f + g)(2)?

goblinko [34]

For this case we have the following functions:
$f(x) = 2x^2 + 3x

g(x) = x - 2$
The first thing we must do is calculate the sum of functions or equivalently:
$(f + g)(x) = f(x) + g(x)
$
We have then:
$(f + g)(x) = (2x^2 + 3x) + (x - 2)
$
To complete the sum, we must add the terms whose exponents are equal.
We have then:
$(f + g)(x) = 2x^2 + (3x + x) - 2

(f + g)(x) = 2x^2 + 4x - 2$
Then, we evaluate the function for x = 2:
$(f + g)(2) = 2(2)^2 + 4(2) - 2
$
Rewriting we have:
$(f + g)(2) = 2(4) + 4(2) - 2

(f + g)(2) = 8 + 8 - 2

(f + g)(2) = 14$
Answer:
$(f + g)(2) = 14
$

4 0

3 years ago

Candy selling at $6.00 per pound will be mixed with candy selling at $9.00 per pound. How many pounds of the more expensive cand

Vladimir79 [104]

Given:
x = candy selling at 6 per pound
y = candy selling at 9 per pound

x + y = 15

6x + 9y = 15(7)
6x + 9y = 105

x = 15 - y

6(15-y) + 9y = 105
90 - 6y + 9y = 105
3y = 105 - 90
3y = 15
3y/3 = 15/3
y = 5

There should be 5 pounds of more expensive candy.

x = 15 - y
x = 15 - 5
x =10

There should be 10 pounds of less expensive candy.

8 0

3 years ago

Which statement is not always true for a parallelogram?

VARVARA [1.3K]

<h3>Answer: B. Diagonals are congruent.</h3>

Explanation:

If the diagonals are congruent, then we'd have a rectangle. Any rectangle is a parallelogram, but not the other way around.

If we had a non-rectangular parallelogram, with none of the angles 90 degrees, then the diagonals will not be the same length.

Choices A, C and D are true for any parallelogram (rectangle or not).

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3 years ago

Find the measure of the missing angles.

ser-zykov [4K]

Answer:

F=100

E=80

D=90

Step-by-step explanation:

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3 years ago

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If you flip a coin and roll a 6-sided die, what is the probability that you will flip a tails and roll more than a 3?

pishuonlain [190]

Prob of tails times prob of rolling more than 3
0.5 × 0.5 = 0.25
25%

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3 years ago

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What is greater than 4 and less than 5 and double it​

What is greater than 4 and less than 5 and double it