MATHEMATICS HIGH SCHOOL

What is the value of this expression 210/7-18+4*6-20
A)112
B)76
C)28
D)16

Answers

Answer 1
Answer: Following the MDAS rule, where it is necessary to do multiplication or division processes first (whichever of the 2 is encounter first in the equation) before proceeding to addition and subtraction, the expression can be solved, and is done as follows:

210/7 - 18 + 4*6 - 20

Doing division and multiplication first:
30 - 18 + 24 - 20

Simplifying:
16

Therefore the answer among the choices is D.
Answer 2
Answer: D) 16
(210)/(7) -18+4*6-20
=30-18+24-20
=30+24-(18+20)
=54-38
=16

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I'm not sure how to simplify this expression with the exponents rules of multiplication (10)(10^{3})(10^{2})

Answers

The rule of exponential multiplication is (a^x)*(a^y)=a^(x+y)
using this with your expression, we can do
(10^1)*(10^3)*(10^2)=10^(1+3+2)=10^6
Final answer:
10^6 or 1 million
Hope I helped :)

PLEASE HELP WILL GIVE BRAINIEST1.

Which is the equation of the given line in ponit-slope form?

A. y + 4 = 9/8(x + 1)

B. y + 1 = 8/9(x + 4)

C. y + 1 = 8/7(x + 4)

y - 1 = 8/9(x - 4)


(SAME IMAGE FOR QUESTION 2)

2.

Write the equation of the line in standard form.

A. -8x + 9y = 23

B. -8x + 9y = -23

C. -8x + 7y = 25

D. -9x + 8y = -23

Answers

Answer:

1. B

2. A(y+1)=(8)/(9) (x+4)\ny+1=(8)/(9) x+(8)/(9) *4\ny+1=(8)/(9) x+(32)/(9)\n9*(y+1=(8)/(9) x+(32)/(9))\n9y+9=8x+32\n-8x+9y=32-9\n-8x+9y=23

Step-by-step explanation:

The point slope form of a line is (y-y_1)=m(x-x_1) where x_1=-4\ny_1=-1. We write

(y--1)=m(x--4)\n(y+1)=m(x+4)

To find m, count the slope from each marked point on the graph. Notice one is 1/2 so we will count by halves. The slope is 8/9

This means B is the point slope form. To convert to the standard form, it must be written as ax^2+by^2=c. We convert using inverse operations.

Order least to greatest 100% 1/100 0.001% 1/10 0.001 1.1 10 10,000/100

Answers


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Which of the following tables has a slope of zero?

Answers

Answer:

A

Step-by-step explanation:

What other information do you need to prove triangle GHK is congruent to triangle KLG by SAS

Answers

The angles of the shapes
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If y=2x-3 were changed to y=2x+5 , how would the graph of new function compare with the original?

Answers


The new graph would have the same slope (2) as the original one,
but its y-intercept would be [ 5 - (-3) ] = 8 higher.

The new straight line would be parallel to the original straight line,
and they would be 8 units apart everywhere.

Answer: it would be shifted up
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