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Rina8888 [55]
3 years ago
7

PLEASE TELL ME WICH ONE

Mathematics
1 answer:
kakasveta [241]3 years ago
5 0

Answer:

Second Choice \left(-\frac68, \frac28\right)




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What is the value of y???
ycow [4]
Y=5

Step By Step:
180-75-75
30
4y+10=30
4y=20
y=5

Since this is an isosceles, you know that angle B is congruent to angle C (they’re both 75°).
5 0
3 years ago
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Someone plz help me giving brainliest
sukhopar [10]

Answer:

1/14

Step-by-step explanation:

1 - 5/7 = 7/7 - 5/7 = (7-5)/7

Subtract. 7 - 5 = 2

= 2/7

Now we have to multiply 2/7 and 1/4

We get 2/7 x 1/4 = <em>1/14</em>

7 0
3 years ago
Find the inverse of the function.<br> f-^1(x)= (x – 5)^3 + 1
Cloud [144]

Answer:

Step-by-step explanation:

To find the inverse of function y=f(x), swap variables and then solve for the original variable.

y=(x-5)^3+1\\ \\ x=(y-5)^3+1\\ \\ x-1=(y-5)^3\\ \\ \sqrt[3]{x-1}=y-5\\ \\ y=\sqrt[3]{x-1}+5\\ \\ f^{-1}(x)=\sqrt[3]{x-1}+5

3 0
3 years ago
A full grain silo
Kazeer [188]

Answer:

m is the slope.

b is the y-intercept.

the slope is the same as he constant rate.

let y = the number of feet of grain left in the silo.

let x = the number of seconds.

you get y = -3.5 * x + b.

when x = s seconds, the equation becomes y = -3.5 * s + b.

b is the y-intercept which is the value of y when x = 0.

when x = 0, no seconds have elapsed and the silo is therefore at whatever height it was before you started to empty it.

that would be the value of b.

if we assume that the height of the grain in the silo was 150 feet, then the formula would become

Step-by-step explanation:

y = -3.5 * x + 150

after s seconds, the formula would become y = -3.5 * s + 150.

if s was equal to 20, then the formula would become y = -3.5 * 20 + 150 which would then become y = -70 + 150 which would then become y = 80.

after 20 seconds, there would be 80 feet of grain left in the silo.

the graph of the equation would look like this.

from the graph, you can see that the height of the grain in the silo is 150 feet when you start and gets down to 80 feet after 20 seconds and that the silo will be empty somewhere between 42 and 43 seconds.

7 0
3 years ago
C. C/7 = 5 pls help.
Fiesta28 [93]

Answer:

C = 35

Step-by-step explanation:

C/7 = 5

multiply both sides of the equation by 7:

C = 35

8 0
2 years ago
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