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Sunny_sXe [5.5K]
3 years ago
9

Ms. Jones is making the yearbook. She has 7 pages with 153 photos on each

Mathematics
1 answer:
Rzqust [24]3 years ago
8 0

Answer:

1,071

Step-by-step explanation:

7 × 153 = 1071

plese follow me

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A cone has a 4 radius and a 8 height what is the volume
Marta_Voda [28]

Hey there! I'm happy to help!

To find the volume of a cone, you multiply the base by the height and then divide by three.

First, we need to find the base. A cone has a circle for the base. To find the area of a circle, we square the radius and multiply it by pi (we will use 3.14).

4²=16

16×3.14= 50.24

Now, we multiply our base by the height.

50.24×8=401.92

Finally, we divide by three.

401.92÷3≈133.973 (to nearest thousandth)

Therefore, the volume of the cone is about 133.973 units cubed. If you were to use exact pi, it would be more like 134 because of all those decimals after pi!

Now you can find the volume of cones!

I hope that this helps! Have a wonderful day!

8 0
3 years ago
If ax + y=23, 3x - y = 9, and x =8, what is the value of a ?
inna [77]

Answer:

a = 1

Step-by-step explanation:

x = 8

3x - y = 9

3(8) - y = 9

24 - y = 9

-y = 9 - 24

-y = -15

y = 15

ax + y = 23

a(8) + 15 = 23

8a = 23 - 15

8a = 8

a = 8/8

a = 1

6 0
3 years ago
The owner of a local nightclub has recently surveyed a random sample of n = 300 customers of the club. She would now like to det
quester [9]

Answer:

We cannot determine the appropriate hypotheses to test this study because we are only given the data for the sample size and the population mean. Meanwhile, we need to know the data of the sample mean, the standard deviation and the level of significance before we can state the appropriate hypotheses for this test.

Step-by-step explanation:

Given that:

sample size n = 300

population mean μ = 35

The null hypothesis and the alternative hypothesis can be computed as follows:

Null hypothesis

H_o: \leq  35

Alternative hypothesis

H_1 > 35

The degree of freedom df = n -1

df = 300 - 1

df = 299

8 0
3 years ago
WILL NAME BRAINLIST PLEASE
olganol [36]

Answer:

y= -1/4x

Step-by-step explanation:

7 0
3 years ago
Please help me if the answer is right i will give u brainlyiest <br>thanks! &lt;3​
lana66690 [7]

Answer:

The first one

Scale factor is 7

x = 3

The second one

Scale factor is 9

x = 99

Step-by-step explanation:

The first one

You can find out by dividing 49 by 7 which is 7

to find x =  21 divided by 7 is 3

The second one

You can find out by dividing 162 by 18 which is 9

to find x =  11 multiplied by 9 (since it is "opposite") is 99

4 0
3 years ago
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