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3 years ago

Six less than seven times a number is equal to-12

1 answer:

4 0

(7x)-6=-12 7 times a number is 7x or 7 times any variable. Six less than that is subtracting by 6 then it all equals -12

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Face east, turn through an angle of 180 degree to your right, your final direction will be _________________.

ANEK [815]

Answer:

West

10 cm

The first one

6 0

3 years ago

XY=4x+7 and YZ=8x-1, Find XY

laiz [17]

Answer:

XZ = 12x + 6

Step-by-step explanation:

XZ = XY + YZ

XZ = <u>4x</u> + 7 + <u>8x</u> - 1

XZ = 12x + 6

5 0

3 years ago

True or false all rectangles are quadrilaterals

Leni [432]

answer - true

all rectangles have four sides, and a shape is a quadrilateral if it has four sides

therefore, all rectangles are quadrilaterals

7 0

3 years ago

If f(x)=3x^2-9 and g(x)=x^2+1 find (f+g)(x)

givi [52]

Answer:

4x^2 -8

Step-by-step explanation:

f(x)=3x^2-9

g(x)=x^2+1

(f+g)(x)=3x^2-9 +x^2+1

Combine like terms

= 4x^2 -8

5 0

3 years ago

4st^2-s^2 were s=5 and t=7

barxatty [35]

➣ Assignment: $\bold{Solve \ Equation: \ \left(4\left(5\cdot \:7^2\right)\right)-5^2}$

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➣ Answer: $\boxed{\bold{955}}$

↔↔↔↔↔↔↔↔

Explanation: ↓↓↓↓↓

↔↔↔↔↔↔↔↔

➤ [ Step One ] Follow PEMDAS Order Of Operations

$\bold{4\left(5\cdot \:7^2\right): \ 980}$

➤ [ Step Two ] Rewrite Equation

$\bold{4\left(5\cdot \:7^2\right)}$

➤ [ Step Three ] Calculate Within Parenthesis

$\bold{4\left(5\cdot \:7^2\right): \ 245}$

➤ [ Step Four ] Rewrite Equation

$\bold{4\cdot \:245}$

➤ [ Step Five ] Multiply

$\bold{4\cdot \:245: \ 980}$

➤ [ Step Six ] Rewrite Equation

$\bold{980-5^2}$

➤ [ Step Seven ] Calculate Exponents

$\bold{5^2: \ 25}$

➤ [ Step Eight ] Rewrite Equation

$\bold{980-25}$

➤ [ Step Nine ] Solve

$\bold{955}$

↔↔↔↔↔↔↔↔

$\bold{\rightarrow Mordancy \leftarrow}$

4 0

3 years ago