All categories

2 years ago

Please help Only one question 5 points What is the value of x

Mathematics

1 answer:

Rina8888 [55]2 years ago

6 0

Answer:50

Step-by-step explanation:(x+10)+(2x+20)=180

You might be interested in

Which is NOT a possible value for y in the figure below?

Crank

Answer:

y is equal to 65 so 115 isn't a possible answer

8 0

3 years ago

. One car traveled 210 miles and drove 20 mph hour faster than a second car drove 150 miles. If the cars were traveling for the

inn [45]

Answer:

The first car was traveling 70 mph, while the second was driving 50 mph.

Step-by-step explanation:

Set the cars as a proportion:

$\frac{210}{x + 2} = \frac{150}{x}$

X represents the speed of the second car. By cross multiplying, you get the following equation:

$210x = 150(x + 20)$

You solve by distributing 150 to get 210x = 150x + 3000.

Solving for x gets you 50.

That means the first car was going at 50 mph. Adding 20, you get 70 as the speed for the second car.

4 0

2 years ago

Use the substitution method to solve.<br><br> y=5−3x<br> 5x−4y=−3

Vadim26 [7]

Well just substitute y (the first equation) into the second equation.
So
5x-4(5-3x)=-3
Then just solve the equation from there.
5x-20+12x=-3
17x=17
x=1
and if you need y, y=2

6 0

3 years ago

What is 2 to the power of 4 over 3 equal to? (5 points)

ryzh [129]

Answer:

The answer is the option C

cube root of $16$

Step-by-step explanation:

Remember that

$a^{\frac{x}{y}} =\sqrt[y]{a^{x}}$

in this problem we have

$a^{\frac{x}{y}}=2^{\frac{4}{3}}$

therefore

$2^{\frac{4}{3}} =\sqrt[3]{2^{4}}=\sqrt[3]{16}$

4 0

3 years ago

I GIVE A BRAINLY. What is the volume of the solid figure? A. 625 in B. 750 in C. 800 D. 1,250

castortr0y [4]

Answer: B

Step-by-step explanation: Im sorry if I am wrong A and B are pretty good answer but I would stick to B

3 0

2 years ago

Read 2 more answers