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MatroZZZ [7]
3 years ago
11

Nolan began with ​$26 in bank account and spent ​$2 each day. The line models the amount of money in his bank account. Be incorr

ectly wrote an equation for the line in​ slope-intercept form as y= "-2x+13" . What is the correct equation for the line in​ slope-intercept form? What mistake might Nolan have​ made?

Mathematics
2 answers:
almond37 [142]3 years ago
8 0
Y=2x-26

Explanation
Y=mx+b
2 is m
26 is b
VladimirAG [237]3 years ago
6 0

Answer:

y=2x - 26

Step-by-step explanation:

y=mx+b

2 is m

26 is b

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Determine whether the relationship is a function. Explain your reasoning.
OlgaM077 [116]

Answer:

Not a function, because there are more than one of the same x-intercept which makes a vertical line.

Step-by-step explanation:

7 0
3 years ago
A shape is shown on the centimetre grid below.
krok68 [10]

Answer:

The area of the shape after it has been enlarged by

scale factor 2 will be: 10 cm²

Step-by-step explanation:

The Area is basically a measure of how much space in square units there is inside an object.

As the shape is shown on the centimeter grid.

  • The shape clearly occupies the space of 5-centimeter squares.

We also know that If the scale factor > 1, the image is enlarged.

As we know to determine the area of the shape after it has been enlarged by scale factor 2, all we need to do is to multiply the area of the original shape by 2.

The area of original shape = 5 cm²

The area of the shape after the dilation by a scale factor 2 = 5 × 2 = 10 cm²

Thus, the area of the shape after it has been enlarged by

scale factor 2 will be: 10 cm²

4 0
3 years ago
Read 2 more answers
An isosceles trapezoid was broken into a rectangle and two triangles. What are the base and height of one of the triangles?
Serga [27]

Answer:

base = 2 m; height = 6 m

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My answer:

Given the information:

  • base of 8 meters
  • height of 6 meters
  • top side length of 4 meters.

=> the height of one of the triangles equal to the the height of the trapezoid = 6 meters

=> the base of the triangles:

= (the base of the trapezoid - the top side length) / 2

= (8-4)/2

= 2

So the base and height of one of the triangles : base = 2 m; height = 6 m

Hope it will find you well.

4 0
4 years ago
Read 2 more answers
Divide and express the result in standard form. 8/7-i
Gnoma [55]
i=\sqrt{-1}\to i^2=-1\ (i-the\ imaginary\ unit)\\----------------------\\\\\frac{8}{7-i}\\\\use\ (a-b)(a+b)=a^2-b^2\\\\\frac{8}{7-i}\cdot\frac{7+i}{7+i}=\frac{56+8i}{7^2-i^2}=\frac{56+8i}{49-(-1)}=\frac{56+8i}{49+1}=\frac{56+8i}{50}=\frac{56}{50}+\frac{8}{50}i\\\\=\boxed{\frac{28}{25}+\frac{4}{25}i}
5 0
4 years ago
Read 2 more answers
Ahmet rents a piano for $35 per month. He earns $25 per hour giving piano lessons to students. He wants to know
Vinvika [58]

Answer:

25h-35=440

440+35=25h

475=25h

475÷25=h

h=19

19 hours

It will take 19 hours of lessons.

3 0
4 years ago
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