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omeli [17]
3 years ago
7

Can anyone answer this please i need to be for sure I’m right

Mathematics
1 answer:
Genrish500 [490]3 years ago
7 0
The answer to this question is B, (-infinity, -28]. 

We can get this answer by first multiplying each side of the inequality by 7. That would get rid of the fraction. When one does that, the result is d + 28 \leq 0. That means that d \leq -28. In interval notation, which is the notation the problem is asking us, that would be (-infinity, -28], since d is all values less than -28 this includes infinity, but it also includes -28, so there is a ] around it. That means that the answer to this question is B, (-infinity, -28]. 
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Evaluate the function f(-2) - h(4) given the following functions: f(x) = 4x​ 2​+ 9 h(x) = 3x - 14
Goryan [66]

Answer:

-86

Step-by-step explanation:

simplify each equation as much as possible

f(x)= 4x(2+9) add

4x(11) multiply

f(x)=44x

substitute given numbers into each equation

44(-2)=-88                3(4)-14= 12-14=-2

combine equations

-88-(-2)= -86   add since you are subtracting a negative number

4 0
3 years ago
I need a answer fast please!
Paladinen [302]
Rewrite it without stem-and-leaf:

16,18,23,26,26,34,37,37,40,41,46

MEAN =∑(16,18,23,26,26,34,37,37,40,41,46)/11
MEAN =(16+18+23+25+26+34+37+37+40+41+46)/11 =343/11 = 31.18

MEDIAN (CENTRAL VALUE) = 34 (EQUIDISTANT FROM THE 2 EXTRENITIES)

MODE = THE HIGHEST FREQUENCY OF A NUMBER: only 34 appear twice, then the MODE is 34 that appears 2 times

4 0
3 years ago
(2x + 3) (2x2 – 2+4)
nadya68 [22]

Answer:

(2x + 3) (2(2)x2 – 2+4)

Step-by-step explanation:

thats what i got hope it helps :)

5 0
3 years ago
Read 2 more answers
Collins spent $8 at lunch. He spent $24 on new shoes. His shoeswere how many more times expensive than his lunch
kati45 [8]

Collins’ new shoes were 3 times the amount of his lunch. You’re welcome!

5 0
3 years ago
Read 2 more answers
What is 16+x=12 and -3x=15
horrorfan [7]
-4 and -5
because to get 16 to 12 you have to subtract 4 but it wants you to add so you put a negative sign infront of it.

and a negative multiply by a negative equals a positive so -3×-5=15
5 0
3 years ago
Read 2 more answers
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