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Eddi Din [679]
4 years ago
9

If x is 11 what is 8x-3?

Mathematics
2 answers:
Fudgin [204]4 years ago
8 0

Answer:

85

Step-by-step explanation:

Plug x into the equation

8(11)-3

=88-3

=85

Nimfa-mama [501]4 years ago
7 0

Answer:

85

Step-by-step explanation:

8(11)

= 88

88 - 3

= 85

Please brainliest :) im new

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Help im not sure anyone have any idea
OLEGan [10]

Answer:

i dont understand either

Step-by-step explanation:

sorry

6 0
3 years ago
Help! Please! Geometry!!
DiKsa [7]

9.

By the Segment Addition Postulate, SAP, we have

XY + YZ = XZ

so

YZ = XZ - XY = 5 cm - 2 cm = 3 cm

10.

M is the midpoint of XZ=5 cm so

XM = 5 cm / 2 =  2.5 cm

11.

XY + YM = XM

YM = XM - XY = 2.5 cm - 2 cm = 0.5 cm

12.

The midpoint is just the average of the coordinate A(-3,2), B(5,-4)

M = (A+B)/2 = \left( \dfrac{-3 + 5}{2}, \dfrac{2 + -4}{2} \right)

Answer: M is (1,-1)

You'll have to plot it yourself.

13.

For distances we calculate hypotenuses of a right triangle using the distnace formula or the Pythagorean Theorem.

AB^2 =(5 - -3)^2 + (-4 - 2)^2 = 8^2 + 6^2 = 100

Answer: AB=10

M is the midpoint of AB so

Answer: AM=MB=5

14.

B is the midpoint of AC.   We have A(-3,2), B(5,-4)

B = (A+C)/2

2B = A + C

C = 2B - A

C = ( 2(5) - -3, 2(-4) - 2 ) = (13, -10)

Check the midpoint of AC:

(A+C)/2 = ( (-3 + 13)/2, (2 + -10)/2 ) = (5, -4) = B, good

Answer: C is (13, -10)

Again I'll leave the plotting to you.

5 0
3 years ago
Robert gets a loan from his bank.
masya89 [10]

Answer:

£10200

Step-by-step explanation:

Amount borrowed (P) = £6000

Rate of interest (R) = 7%

Time (T) = 10 years

First, let us calculate the simple interest (SI) for 10 years.

Formula for simple interest is given as:

S.I.=\frac{PRT}{100}

Plugging the values of P, R and T in the above formula, we find:

S.I.=\frac{6000(7)(10)}{100}

S.I.= £4200

Total money paid back at the end of the 10 years

= £6000 + £4200

= £10200

7 0
2 years ago
Which equation represents the line through (4, 5) and (0, 3)?
morpeh [17]

Answer:

I dont know what options you have but all these are possible answers

y - 5 = 1/2 ( x - 4 )

y - 3 = 1/2 x

y = 1/2 x + 3

Step-by-step explanation:

In order to find the equation you need a slope, so you find the slope of both points by using the slope equstion

y2 - y1 / x2 - x1

and you would get :

\frac{1}{2}

now you plug it into the point slope formula  which is y - y = m ( x - x )

and you choose one of the two sets of points that they provided in the question but you'll get the same answer either way.

4 0
2 years ago
What is the algebra expression for this six feet less than the width
Tatiana [17]
So,

"six feet less than"

- 6

"the width"

w

w - 6 

"six feet less than the width (w)"

w - 6
4 0
4 years ago
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