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Solnce55 [7]
3 years ago
8

26% of what number is 45

Mathematics
1 answer:
Katarina [22]3 years ago
3 0
45/26=1.7307692307692307692307692307692...
≈1.7308
100*1.7308=173.08
The unknown number is approximately 173.08.

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If h(a)= 3a+5 and h (a) = 27 the what is the value of a?
anzhelika [568]

Hey there!

Okay, so when you get a problem like this, all you need to do in insert the given value into the function and solve.

For example:

As you can see, they state that <em>(a) = 27, </em>so you insert 27 in for a in the function and it will look like this:

h(27) = 3(27) + 5

Now you solve on the right side of the equal sign:

3(27) = 81 (you multiply them)

81 + 5 = 86

When you plug the value of 27 in for a in this function, your output is equal to 86.

3 0
3 years ago
Read 2 more answers
8*4+4y=60 solve the problem
masha68 [24]
Y=7, i hope this helps:)
5 0
3 years ago
ATH CHALLENGE
romanna [79]

Answer:

78

Step-by-step explanation:

for the right side we can just do 14*2 since there are two people per seat and 14 rows

14 *2 is 28

for the left side we just do 14*3 since there are three people per seat and 14 rows

14*3 is 42

Then we have to add the 8 students that can fit in the very back seat

42 + 28 + 8

28 + 8 is 36

42 + 36 = 78

3 0
2 years ago
What is the equation of the quadratic function that has a minimum at (7,-3) and goes through (9,9)?
SOVA2 [1]

Answer:

y = 3x² - 42x + 144

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

here (h, k) = (7, - 3), thus

y = a(x - 7)² - 3

To find a substitute (9, 9) into the equation

9 = 4a - 3 ( add 3 to both sides )

12 = 4a ( divide both sides by 4 )

a = 3

y = 3(x - 7)² - 3 ← in vertex form

Expand factor and simplify

y = 3(x² - 14x + 49) - 3

  = 3x² - 42x + 147 - 3

  = 3x² - 42x + 144 ← in standard form

4 0
3 years ago
Felicia is solving the expression - 5(3x + 2) + 10x. Gregory is solving the expression -12 - 4x +?+?x.
IrinaK [193]

Answer:

-5x-10 is the expression. the missing values would be 2 and -x i believe

7 0
3 years ago
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