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Deffense [45]
3 years ago
14

Please please help its not 4

Mathematics
2 answers:
GenaCL600 [577]3 years ago
7 0

Answer:21

Step-by-step explanation:

It's a 1-7 proposition for every ft on the smaller triangle it is 7ft on the big one

koban [17]3 years ago
7 0

Answer:

it is not 4 it is 24 is the right answer

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PLEASE HELP
polet [3.4K]

Answer:

Hope it helps you

thanks

5 0
3 years ago
An electrician charges $40 per visit, and $20 per hour of work. On a particular day, he made 3 visits and calculated that his av
saw5 [17]

Answer:

  4 hours

Step-by-step explanation:

For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:

  120 +20x = 50x

  120 = 30x . . . . . . . . subtract 20x

  4 = x . . . . . . . . . . . . . divide by 30

The electrician worked 4 hours that day.

3 0
3 years ago
The zeros of the function f(x) =(x+2) to the second power minus 5
pashok25 [27]
(x+2)^2-5=0\\
(x+2)^2=5\\
x+2=-\sqrt5 \vee x+2=\sqrt5\\
x=-2-\sqrt5 \vee x=-2+\sqrt5
8 0
3 years ago
A truck that can carry no more than 6500 lb is being used to transport refrigerators and upright pianos. Each refrigerator weigh
anyanavicka [17]

Answer:

Equation: 300x+425y= 6500 (if you assume that you would get an exact total)

Answer: Yes, 11 refridgerators and 9 pianos will overload the truck because 11x300=3,300 and 9x425=3,825 which in total equals 7,125, which is way too much for the truck.

An equation that works: 300(10)+425(8)=

Step-by-step explanation:

If each refrigerator is 300 pounds and we need to see if 11 would fit on the truck, multiply 300 times 11 which equals 3,300. Next repeat the same step but for the pianos… 425 times 9 which equals 3,825 now you add. You should get 7,125, meaning this ratio is way to large for the truck to carry.

Since this does not work we should try take away one of each. So let’s say the new rati is 10 refrigerators to 8 pianos. We would repeat the same steps from above. 10x300=3,000       8x425=3,400

If we add these, we get 6,400 so the final expression would be 300(10)+425(8)=6,400 which would be the closest the the most you can transport on the truck.

Sorry if this was not the answer you were looking for, I may have misinterpreted the question.

6 0
2 years ago
Rewrite the polynomial -2x3+4x5-3x2-7 in descending order, using coefficients of 0 for any missing terms
seropon [69]

4x5-2x3-3x2-7 descending means basically the same thing as greatest to least

8 0
3 years ago
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