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2 years ago

There are 20 diamonds and 15 squares what is the ratio of squares to diamonds (REDUCE)

Mathematics

2 answers:

Inessa05 [86]2 years ago

6 0

Its 15 to 20 which goes to 3 to 4

Free_Kalibri [48]2 years ago

6 0

1.3 diamonds to squares / .75 squares to diamonds.

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Find a 90% confidence interval for the population standard deviation for the weights of men if a sample of 14 randomly selected

kenny6666 [7]

Who do you think got the better deal in the Compromise of 1850, the North or the South? Why?

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2 years ago

A large cake from a bakery will serve 60 people. If there are 832 people expected at reception, how many cakes are needed?

belka [17]

Well first you have to divide 832 by 60 which is 13.8666 since there is a reminder you will need 14 cakes

7 0

3 years ago

Read 2 more answers

What is the sum of series is numbers 64&66 ?<br> Using the summation notation

iragen [17]

Answer:

64. 6138

66. 8.078125

Step-by-step explanation:

Let's take it one number at a time.

For number 64:

$6(2)^{1-1}=6$

$6(2)^{2-1}=12$

$6(2)^{3-1}=24$

$6(2)^{4-1}=48$

$6(2)^{5-1}=96$

$6(2)^{6-1}=192$

$6(2)^{7-1}=384$

$6(2)^{8-1}=768$

$6(2)^{9-1}=1536$

$6(2)^{10-1}=3072$

Sum = 6 + 12 + 24 + 48 + 96 + 192 + 384 + 768 + 1536 + 3072

Sum = 6138

For number 66:

$12(-\frac{1}{2})^{0}=12$

$12(-\frac{1}{2})^{1}=-6$

$12(-\frac{1}{2})^{2}=3$

$12(-\frac{1}{2})^{3}=-1.5$

$12(-\frac{1}{2})^{4}=0.75$

$12(-\frac{1}{2})^{5}=-0.375$

$12(-\frac{1}{2})^{6}=0.1875$

$12(-\frac{1}{2})^{7}=-0.0078125$

$12(-\frac{1}{2})^{8}=0.046875$

$12(-\frac{1}{2})^{9}=-0.0234375$

Sum = 12 + -6 + 3 + -1.5 + 0.75 + -0.375 + 0.1875 + -0.0078125 + 0.046875 + -0.0234375

or to make things simpler:

Sum = 12 - 6 + 3 - 1.5 + 0.75 - 0.375 + 0.1875 - 0.0078125 + 0.046875 - 0.0234375

Sum = 8.078125

4 0

2 years ago

What is the distributive property to writ 8(x + 1)

posledela

Answer:

8x + 8

Step-by-step explanation:

you have to distribute the 8 to everything inside the parentheses

8 times x

8 times 1

8x + 8

4 0

2 years ago

Read 2 more answers

PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!

marin [14]

Yo sup??

To solve this question we have to apply trigonometric ratios

sin36=XY/WY

WY=XY/sin36

=8.5

Hope this helps.

7 0

2 years ago