Ask question

Ask question

All categories

2 years ago

12

Astronomers classified the planets into six sizes with five atmosphere types and four average temperature ranges. How many diffe

rent planet types are there?

1 answer:

Phoenix [80]2 years ago

4 0

Fire, ice, and inhabitants

You might be interested in

Which integer is closest to 0 on the number line?

marishachu [46]

1 is the closest to 0 on the number line. Hope this helps!!!!!!!!

7 0

3 years ago

Read 2 more answers

how many pounds of coffee worth $10 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a

Solnce55 [7]

Answer:

4

Step-by-step explanation:

1. if the mass of coffee worth $10 is 'x', then its worth is 10x, and the worth of the mixture is 5(x+20);

2. using the previous item it is possible to write the next equation:

5(x+20)=4*20+10*x; ⇒ x=4.

3. the required mass is 4 pounds.

5 0

2 years ago

Find the simple interest pay for 7 years on a $600 loan at 5% per year.

babunello [35]

The simple interest would be $210. I hope that helps!

6 0

3 years ago

A student draws several cards from a deck of 10 unique cards.

egoroff_w [7]

Answer:

There are 210 different ways that 4 cards can be drawn.

There are 252 different ways that 5 cards can be drawn.

There are 120 different ways that 7 cards can be drawn.

Step-by-step explanation:

Use the combination formula

10C4 =210

10C5 = 252

10C7 = 120

6 0

2 years ago

What are the values of x in the equation 4x^2+4x-3=0

ludmilkaskok [199]

I have an answer and an explanation!

ANSWER: $X=\frac{1}{2} (or) x= \frac{-3}{2}$

Explanation:

<span>{Let's solve your equation step-by-step.}
</span> $4 x^{2} +4x-3=0$

<span>{Step 1: Factor left side of equation.}
</span> $(2x-1)(2x+3)=0$

{<span>Step 2: Set factors equal to 0.}
</span> $2x-1=0 (or) 2x+3=0$ <span>
</span>

3 0

3 years ago