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Ber [7]
3 years ago
11

HELP PLEASE ITS FOR A TEST ILL GIVE BRANLEST THING ITS SIXTH GRD MATH

Mathematics
2 answers:
seropon [69]3 years ago
8 0
The perimeter would be 40 for question 22 and the expression would be (b-2)+(c-b)+b+c
spayn [35]3 years ago
5 0
B+2c-2 is for the first question I think
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Help with all please!
Elena L [17]
For 14, 15, and 16 you would move the decimal the number in the exponent to the left because the exponent is negative. For example 14 would be .00000030
3 0
4 years ago
Is y=1/4xto the power of .05a power function
masha68 [24]
If you mistyped the question and you meant y=1/4x to the power of 0.5X then yes it's a function, but if you didint mistyped it then no because it cannot be graphed
8 0
3 years ago
Read 2 more answers
Which Exponential function has a initial and child value of 2​
fredd [130]

For an exponential function the y-intercept is the "initial value" (not the common ratio).

y = 2 \times  {1}^{x}

will always be 2. if that's what you need

note that

{1}^{0}  = 1

because anything to the power of zero equals 0 (mathematically it's deciding something by itself)

7 0
3 years ago
If it takes 3 days for 10 workers to finish building one house, how many days will it take 15 workers to finish four houses?
Ksivusya [100]
-- It takes 10 workers 3 days to build 1 house.
so
-- It takes 10 workers 1 day to build  1/3  of a house.
so
-- It takes 1 worker 1 day to build  1/30  of a house.

You got 15 workers and you need 4 houses ?

Well, as we just calculated . . .

-- It takes 1 worker 1 day to build  1/30  of a house.
so
-- It takes 15 workers 1 day to build  15/30 = 1/2  of a house.
so
-- It takes 15 workers 2 days to build 1 whole house.
so
-- It takes 15 workers  8 days  to build 4 houses.


8 0
3 years ago
What is the value of y if (4y + 8) - (7t - 12) = 11?
Sunny_sXe [5.5K]
If the '7t' is supposed to be '7y', then the answer is below
(4y+8)-(7y-12)=11
distribute the negative into the second parenthesis
4y+8-7y+12=11
combine like terms
-3y+20=11
subtract the 20 from both sides
-3y=-9
divide by -3 on both sides
y=3

if it is supposed to be '7t', I'm not sure if there's enough information
4 0
3 years ago
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