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Juli2301 [7.4K]
3 years ago
10

Anybody know the answer to these questions

Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

Answer:

1) x=-4 3/4

2) x= 2.1

Step-by-step explanation:

you can cross multiply on the first one

you can use Pythagorean theroum on the second one

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What is the slope-intercept equation of the line below?
Nataly [62]

Answer:

D

Step-by-step explanation:

We will use the 2 coordinates marked on the graph as the reference.

The coordinates are:

A(4,-2)

B(0,3)

We know that the standard form for equation of line is:

y = mx+c

where m is the slope of the equation

and c is the y-intercept.

Very clearly, the y-intercept is where the line intercepts the y line.

and in this case, y-intercept = c = 3.

Now we know that the equation of line is now

y = mx + 3

To find m, the slope, we can use the 2 above coordinates.

slope of line = \frac{y1-y2}{x1-x2} \\=\frac{-2-3}{4-0} \\=\frac{-5}{4} \\=-\frac{5}{4}

(Note: There is a 2nd way to find the slope in this case, let me know if you are interested to find out.)

Equation of line: y=-\frac{5}{4} x+3

Therefore the answer is D.

4 0
2 years ago
Gabby assumed she could sell 45 boxes of cookies by Friday, but she only sold 26 boxes. What was Gabby's percent error? ​
Agata [3.3K]

Answer:

73.07%

Step-by-step explanation:

Given that,

Actual value of sold cookies = 26

Assumed value of sold cookies = 45

We need to find Gabby's percent error. The percentage error in a value is given by :

Error = ](Assumed value - Actual value)/Actual value]× 100

So,

\%=\dfrac{45-26}{26}\times 100\\\\=73.07\%

So, Gabby's percent error is equal to 73.07%.

4 0
3 years ago
Garth has a summer job and earns $9.32 per hour. One week, he works 16 34 3 4 hours. He deposits $150 in a bank and decides to u
trasher [3.6K]

Answer:

762 raffle tickets

Step-by-step explanation:

16×9.32= 149.12

34×9.32= 316.88

3×9.32= 27.96

4×9.32= 37.28

add them all up= 531.24

531.24-150=381.24

381.24÷.50=762.48

answer: 762 raffle tickets

5 0
3 years ago
Victoria is 4 years older than her neighbor . The sum of their ages is no more than 14 years .
Blizzard [7]
(x+4)+v<=14 is the equation
the neighboor's age is at most, 5 years
and victoria is 9 at most
3 0
3 years ago
Read 2 more answers
HIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
Irina18 [472]

Answer:

helloooooo

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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