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2 years ago

Using the order of operations PEMDAS, what is the 1st that you would do when solving this equation (4x + 3) - 5 + 10

Mathematics

2 answers:

Dima020 [189]2 years ago

6 0

P-arentheses

E-xponents

M-ultiply

D-ivide

A-dd

S-ubstitute

Therefore, You Would Do What Is In Parenthesis First!

juin [17]2 years ago

3 0

First, I would distribute the -5 to everything in the ( ).
-20x -15 +10

Second, combine like terms.
-20x -5

^That's your final answer.

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What is the solution to the system of equations 6x+2y=6 7x+3y=5

brilliants [131]

Answer:

(x,y)=(2,-3)

Step-by-step explanation:

6x+2y=6

7x+3y=5

Multiply both sides by 3

18x+6y=18

7x+3y=5

Multiply both sides by -2

18x+6y=18

-14x-6y=-10

Eliminate one variable by adding the equations

4x=8

x=2

Substitute the value of x to get y

6(2)+2y=6

y=-3

x=2

y=-3

8 0

2 years ago

Terry has nuts and bolts. The ratio of the number of nuts to the

Rasek [7]

Answer:

Step-by-step explanation:

Study the steps used to solve the equation.

Given: StartFraction c Over 2 EndFraction minus 5 equals 7

Step 1: StartFraction c Over 2 EndFraction minus 5 plus 5 equals 7 plus 5

Step 2: StartFraction c Over 2 EndFraction plus 0 equals 12

Step 3: StartFraction c Over 2 EndFraction equals 12

Step 4: 2 (StartFraction c Over 2 EndFraction) equals 12 (2)

Step 5: c equals 24

5 0

3 years ago

Properties of interger Exponent

liraira [26]

Answer:

<em><u>Answer is below</u></em>

Step-by-step explanation:

10^0

4 0

3 years ago

Find the area of the shaded region. Round the the nearest tenth.

Brums [2.3K]

Answer:

226.084 sq.m.

Step-by-step explanation:

Radius of circle = 18.6 cm

Area of sector = $\frac{\theta}{360^{\circ} }\pi r^2$

Area of sector = $\frac{123}{360} \times 3.14 \times (18.6)^2$

Area of sector = $371.157 m^2$

Area of triangle = $\frac{1}{2} \times a \times b \times Sin x$

a = OA = radius = 18.6 cm

b = OB = radius = 18.6 cm

x =123 °

Substitute the values in the formula

Area of triangle = $\frac{1}{2} \times 18.6 \times 18.6 \times Sin 123$

Area of triangle = $145.073 m^2$

So, Area of shaded region = Area of sector - Area of triangle

= $371.157 m^2-145.073 m^2$

= $226.084 m^2$

Hence the area of the shaded region is 226.084 sq.m.

5 0

3 years ago

What is the next letter b a d e h g k

aivan3 [116]

Abcdefghijklmnopqrstuvwxyz

ok

b to a
goes back 1 letter

then b to d
skips 3 letters forward

then d to e
1 forward

e to h
skips 3 forward

h to g
goes 1 back

g to k
goes 3 forward

pattern seems to be
1back, 3 forward, 1 forward, 3 forward, repeat
so we are at 3 forward after than 1 back, so the next one is 1 forward

1 forward from k is l

the next letter is L

8 0

3 years ago