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ki77a [65]
3 years ago
12

Can someone answer this?

Mathematics
1 answer:
Tcecarenko [31]3 years ago
6 0
340.8 cm^2.

72+72+72+62.4+62.4=340.8cm^2.
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A store is having a sale in which the cost of any item is 35% off. Which expression can be used to find the cost, x, of an item
Mekhanik [1.2K]

Answer:

73373773737477374747373738

3 0
3 years ago
What is the value of a in the equation 3a + b = 54, when b = 9?
nasty-shy [4]
In order to do this you have to substitute b with 9 and get 3a+9=54, now subtract 9 from both sides to leave a by itself and get 3a=45, now divide 3 in both sides to leave a by itself and get a=15

Hope this helps
4 0
3 years ago
The values in the table represent a linear function. How does the value of y change in relation to a change in the value of x?
Verizon [17]

if x is changed by 2 , the y changes by  +3, Option B is the correct answer.

<h3>What is the  equation of a Linear Function ?</h3>

The equation of a Linear Function is given by

y = mx +c

here m is the slope , c is the intercept on the y axis

The data is given in the table

To determine the relation , a function needs to be established between the variables.

m = ( y2 -y1 )/(x2-x1)

m = (-7 +10) /(-2+4)

m = 3 / 2

y = (3/2)x + c

at x = 0 , y= -4

-4 = 0 + c

c = -4

The function is

y = (3/2) x - 4

if x is changed by 2 , the y changes by  +3

Therefore Option B is the correct answer.

To know more about Linear Function

brainly.com/question/21107621

#SPJ1

7 0
2 years ago
Helping my 2nd grader with his math homework and came across this. I don't know Common Core but I can find the sum "the old fash
n200080 [17]
427+316 

step one- add 400 and 300=700
step two- take 3 from the 16 and add it to the 27 and add - 27+3+13=43
step three- add 43 and 700

I think that the common core way just adds more steps and makes it more complicated than just adding it regularly, but that's just me.
3 0
3 years ago
Read 2 more answers
A triangle has the length 11 and 4. What is the smallest possible whole number length for the third side?
kap26 [50]

Answer:

We know that the sum of the first two sides is greater than the largest side.

7 + 11 > x

x is the third side.

18 > x

x < 18

The sides of the triangle are 7, 11, and 17.

The product = 7 × 17 = 119

3 0
3 years ago
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