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MrRissso [65]
3 years ago
15

Solve the proportion using cross products.

Mathematics
1 answer:
Andrew [12]3 years ago
8 0
A.99 1
Divide the numbers
1
8
2
0
=

1
1
0
18
20
=
k
110
2018​=110k​
9
1
0
=

1
1
0
9
10
=
k
110
109​=110k​
2
Multiply all terms by the same value to eliminate fraction denominators
3
Simplify
Solution
9
9
=

99
=
k
99=k
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Plz anyone help for points
emmainna [20.7K]

Answer:

B. 1,188 cubic units

Step-by-step explanation:

First find the area of the base

A = 1/2b*h (this would only be half the base so our formula would be)

A = b*h (Now enter values)

A = (9)(6)

A = 54 (now plug this into the volume formula)

V = Ab * h

V = (54)(22)

V = 1,188 cubic units

6 0
3 years ago
Select all the expressions that are equal to 8 x104.
DedPeter [7]

Answer:

A. 8 x 100

D. 8 x 10 x  10 x 10

Step-by-step explanation:

When you do the original equation it is 912

these 2 are close but don't go over

5 0
3 years ago
Read 2 more answers
If a=5+2i, b=-3+i and c=4i(2+3I), determine ab+c in simplest a+bi form
Nady [450]

Answer:

-29+7i

Step-by-step explanation:

(5+2i)(-3+i)

-15+5i-6i+2i²

i²=-1

Simplify

-17-i

Add c

c=4i(2+3i)

=8i+12i²

=8i-12

-17-i+8i-12

-29+7i

5 0
2 years ago
Which of the following represents "the difference between a number and eight is twenty-two"?
azamat
Both of the first 8 - N = 22 N - 8 = 22 Represent the difference between a number and 8 is 22 as it is not mentioned that either 8 or the unknown number N is greater so both of the first two represent the difference between a number and 8 is twenty two.
4 0
3 years ago
Read 2 more answers
Please help me....asap
Ber [7]

Answer:

D) 18 freshman, 18 sophmores, 30 juniors, 30 seniors

Step-by-step explanation:

ratio given:

320 : 300 : 500 : 510

320 = 300 and 500 = 510

therefore ratio of 300 : 300 : 500 : 500

Ratio of 300 : 500 = 18 : 30

18 : 18 : 30 : 30

3 0
2 years ago
Read 2 more answers
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