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lina2011 [118]
4 years ago
13

Hi does anybody know answer

Mathematics
2 answers:
My name is Ann [436]4 years ago
7 0

Answer:

B) Work out the value of y when x=21

sertanlavr [38]4 years ago
4 0

Answer:

A. Hope it helps. if you have multiple attempts then try B :)

Step-by-step explanation:

You might be interested in
The time it takes me to wash the dishes is uniformly distributed between 5 minutes and 12 minutes. What is the probability that
GalinKa [24]

Answer:

0.2857

Step-by-step explanation:

We define the time it takes to do these dishes to be uniformly distributed between the time 5 minutes and 12 minutes.

a = 5 minutes

b = 12 minutes

Probability of tonight's dish washing being between 6 and 8 minutes

P(6<X<8)

= 8-6/b-a

= 2/12-5

= 2/7

= 0.2857

The probability it will be better 6 and 8 minutes is therefore 0.2857

5 0
3 years ago
Need help with the sticks i dont get it
Maksim231197 [3]

Answer:

C. -7 < x < 7

Step-by-step explanation:

|2x| is the absolute value of 2x.  You can think of it as the positive of a number, or as the distance between a number and 0 on a number line.

So |2x| < 14 means 2x is less than 14 units away from 0.

We can split this into two inequalities.

2x < 14 and 2x > -14

Solving both, we get:

x < 7 and x > -7

-7 < x < 7

6 0
3 years ago
At a putt putt course there are 50 yellow golf balls, 45 red golf balls, and 65 blue golf balls. What ratio compares the number
oksian1 [2.3K]
Blue balls : Total number.

Total number of balls = 50 + 45 + 65 = 160

Blue balls : Total number.

= 65: 160    Divide both by 5.
= 13 : 32

= 13/32.    That is the ratio.

6 0
3 years ago
Given h(x) = -x + 2, solve for x when h(x) = -3.<br><br> ;-;
Strike441 [17]
-3 = -x + 2
-2 -2
-5 = -x
/-1 /-1
5 = x
5 0
3 years ago
Andre builds a form for a new cement step in the shape of a rectangular prism. The form he builds is 40 and 1/2 inches long, 10
posledela

Answer:

3240 in^3

Step-by-step explanation:

Step one:

given data

The dimension of the form

Length 40 and 1/2 inches long,

Depth 10 inches deep,

The width and 8 inches high

Step two:

The amount of cement is equivalent to the volume of the form

V=L*W*H\\\\V=40.5*10*8\\\\V=3240 in^3

Hence the volume of cement is 3240 in^3

8 0
3 years ago
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