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alexgriva [62]
2 years ago
13

Which has both 4 & -4 as possible values of y? A.) 8 B.) 64 C.) 16

Mathematics
1 answer:
sweet [91]2 years ago
3 0

Answer:

may be 16

Step-by-step explanation:

I can't under stand but 4×4=16

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A parallelogram has a base 4.5 mi and height 4.9 mi. what is the area?​
Paul [167]

Answer:

22.05 mi.²

Step-by-step explanation:

A = bh

A = (4.5 mi)(4.9 mi)

A = 22.05 mi.²

7 0
2 years ago
Please answer this. you will get branliest if u do
Shalnov [3]
Let’s first find the angle y
Angle y = 180-(140+10)(angle sum property)
Angle y = 180-150
Angle y = 30 degrees
Angle x = 180- 110 ( linear pair )
Angle x = 70
Angle z = 180-(70+90)( angle sum property)
Angle z = 180-160
Angle z = 20
8 0
3 years ago
Read 2 more answers
Write as a single power of 9<br> 9^6 × 9^3 ÷ 9^4
bazaltina [42]

Answer:

9^5is the answer.

Step-by-step explanation:

(i)9^6×9^3=9^9 when we multiply we will add the power.

(ii) 9^9÷9^4= 9^5 when we divide we will subtract the power.

3 0
2 years ago
Read 2 more answers
Chris Christina collects stamps she is 47 stamps and all she has 20 from Europe the number of African stamps is 2 times the numb
AVprozaik [17]

Answer:

Step-by-step explanation:

Let x represent the number of stamps from Europe.

Let y represent the number of stamps from Africa.

Let z represent the number of stamps from Asia.

She has 47 stamps in all. This means that

x + y + z = 47 - - - - - - - - - - - 1

The number of African stamps is 2 times the number of Asian stamps. This means that

y = 2z

She has 20 stamps from Europe. Therefore, substituting x = 20 and y = 2z into equation 1, it becomes

20 + 2z + z = 47

3z = 47 - 20 = 27

z = 27/3 = 9

y = 2z = 2 × 9

y = 18

She has 20 stamps from Europe, 18 stamps from Africa and 9 stamps Asia.

7 0
3 years ago
If my phone bill is calculated using equation c= 50g +75 what is the value and interpretation of the slope of this equation? C=
olga nikolaevna [1]

Answer:

The value of the slope in this equation is 50

The interpretation is that the rate of change in the cost of the phone bill per unit change in gigabytes of data used each month is 50

Step-by-step explanation:

To answer this question, we need to compare the given equation with the equation of a straight line graph.

The equation we have is;

c = 50g + 75

comparing this with the equation of a straight line, we have

y = mx + c

where m represents the slope and c is the y-intercept

So comparing both, the slope of the equation is 50.

The slope is always the co-efficient of the value on the x-axis

So what does this mean?

The slope also called the gradient represents the rate of change of the y-term divided by the rate of change of the x-term. In simpler terms, when we talk of the slope, we mean the rate of change of the y term per the unit change of the x-term.

So what we mean in this case is the rate of change in cost of the phone bill per unit change in gigabytes of data used each month is 50

3 0
3 years ago
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