3 years ago

4

Mathematics

1 answer:

Pani-rosa [81]3 years ago

4 0

2.1 is the difference

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Steve can text 20 emojis in 24 seconds.At that rate,how many emojis can he text in 2 minutes and 48 seconds

Lelu [443]

Answer:140

Step-by-step explanation:

24/20=168/N

Cross product

24×n=168×20

24n=3360

n=3360/24

n=140

8 0

2 years ago

PLS ANSWER QUICK! Thanks!

ziro4ka [17]

Answer:

The correct answer would be $a=\sqrt{c^2-b^2}$

Step-by-step explanation:

given $a^2+b^2=c^2$ we want to solve for a

How?

We can do this by using basic algebra ( isolating the variable (a ))

Step 1 subtract $b^2$ from each side

$a^2+b^2-b^2=a^2\\c^2-b^2=c^2-b^2$

now we have $a^2=c^2-b^2$

step 2 take the square root of each side

$\sqrt{a^2} =a\\\sqrt{c^2-b^2} =\sqrt{c^2-b^2}$

we're left with $a=\sqrt{c^2-b^2}$

Hence your answer is A

5 0

2 years ago

A first number plus twice a second number is 4. Twice the first number plus the second totals 20. Find the numbers

pychu [463]

Answer:

The first number is 6

The second number is -1

6+(-2)=4

6*2=12 12+(-1)=11

Step-by-step explanation:

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2 years ago

Explain how you can round 25.691 to the greatest place.

nadezda [96]

You have to round it to the nearest hundreds

4 0

3 years ago

a 3 pound tub of butter at n dollars per pound costs $3.85. select the equation that most accurately depicts the word problem

Oksi-84 [34.3K]

<span>the equation that most accurately depicts the word problem is
3xn=$3.85
proof
n=</span>
<span>n=$3.85/3=$1.28
the price is $1.28 per pound, 3 pound costs 3x$1.28=$3.85
</span>

4 0

2 years ago

Read 2 more answers