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aalyn [17]
3 years ago
14

Please help me! 7th grade science!

Mathematics
1 answer:
Minchanka [31]3 years ago
4 0

Answer:

The answer is 20 watts

Step-by-step explanation:

power=joules/seconds

60/3=20

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3.
Ber [7]
A. 7x

B. 8x-1

C. 6x+12

D. 3x +4

E. 13x-7
6 0
2 years ago
A car is moving 70 miles per hour. how far does it travel in 16secs
zhuklara [117]

Answer:

180

Step-by-step explanation:

6 0
2 years ago
It has been reported that men are more likely than women to participate in online auctions. In a recent survey, 65% of repondent
kupik [55]

Answer:

Hence, the Female and not participated is \frac{28}{100}=0.28\%

Step-by-step explanation:

Let Total respondents =100

Participated in online action (P)=65

Men (m)=45  and Women (F)=100-45=55

Male and participated (M\; \text{and}\;P)=38

Female and participated (F\; \text{and}\;P)=65-38=27

Male and not participated is 45-38=7

Female and not participated is 55-27=28

Therefore, the Female and not participated is \frac{28}{100}=0.28\%

Hence, the correct option is D.

5 0
3 years ago
Find an equation of the line through the given point and perpendicular to the given line
s344n2d4d5 [400]

Answer:

Step-by-step explanation:

The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = intercept

For two lines to be perpendicular, the slope of one line is the negative reciprocal of the other line. The equation of the given line is

y = 2x - 2

Comparing with the slope intercept form,

Slope, m = 2

This means that the slope of the line that is perpendicular to it is -1/2

The given points are (-3, 5)

To determine c,

We will substitute m = -1/2, y = 5 and x = - 3 into the equation, y = mx + c

It becomes

5 = -1/2 × - 3 + c

5 = - 3/2 + c

c = 5 + 3/2

c = 13/2

The equation becomes

y = -x/2 + 13/2

4 0
3 years ago
A recipe calls for 12 cups of blueberries to make 7 jars of blueberry jam. What is true about the number of cups of blueberries
uysha [10]
I think it is 84 bc 12 x7=84
7 0
3 years ago
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