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3 years ago

Evaluate the expression. 2’5 + 2 (12 – 7) x 4 =

Mathematics

1 answer:

stealth61 [152]3 years ago

3 0

Answer:

the answer is 72 to the expression.

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140÷(x+9)+(x+4)² when x =1 show work

Dmitrij [34]

Answer:

Step-by-step explanation:

If x=1, then it's equal to 140/(1+9, or 10)+(1+4, or 5)^2, and that is equal to 140/10+5^2, or 140/10+25, and 140/10=14, and 14+25=39

brainliest pls

4 0

3 years ago

This is a picture of the rectangle prism What is the surface area of a rectangular prism. 16m 5m 14m

slamgirl [31]

1,120 because you have to multiply 16×5×14.

6 0

3 years ago

Easy Question pls help. (Algebra II type problems)

Roman55 [17]

Answer:

$\large\boxed{if\ x\neq-3\ \wedge\ y\neq0\ \wedge\ x\neq y\ \wedge\ x\neq -y}$

second

$\large\boxed{y\neq0\ \wedge\ x\neq-y\ (y\neq-x)}$

Step-by-step explanation:

We know that dividing by 0 is impossible.

Therefore, the denominator of the expression must be different from 0.

$\text{For}\\\\\dfrac{(x-y)^2}{2xy+6y}\times\dfrac{4x+12}{x^2-y^2}\\\\\\2xy+6y\neq0\qquad(1)\\\\x^2-y^2\neq0\qquad(2)$

$(1)\\2xy+6y\neq0\qquad\text{distribute}\\\\2y(x+3)\neq0\iff2y\neq0\ \wedge\ x+3\neq0\\\\2y\neq0\qquad\text{divide both sides by 2}\\\boxed{y\neq0}\\\\x+3\neq0\qquad\text{subtract 3 from both sides}\\\boxed{x\neq-3}\\==========================\\(2)\\x^2-y^2\neq0\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\(x-y)(x+y)\neq0\iff x-y\neq0\ \wedge\ x+y\neq0\\\boxed{x\neq y}\ \wedge\ \boxed{x\neq-y}$

$\text{For}\\\\\dfrac{2(x-y)}{y(x+y)}\\\\y(x+y)\neq0\iff y\neq0 \wedge\ x+y\neq0\\\\ \boxed{y\neq0}\ \wedge\ \boxed{x\neq-y}$

3 0

3 years ago

Solve the equation A = P + Prt for r. Solve the equation A = P + prt for p.

SCORPION-xisa [38]

Answer:

Step-by-step explanation:

8 0

3 years ago

Sara needs 1 3/4 flour for a batch of sugar cookies. If she is going to make 4 1/2 batches of cookies for the Travis bake sale,

AVprozaik [17]

Answer:

7 and 7/8 cups of flour

Step-by-step explanation:

1 batch = 1.75 cups of flour

4.5 batchs = ? cups of flours

this is a simple ratio so you should mutiple the batches of cookies by the cups of flour.

4 1/2 batchs * 1 3/4 cups of flour/batch = 7.875 cups which is 7 and 7/8 cups of flour

5 0

3 years ago