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Black_prince [1.1K]
3 years ago
7

What's 2+2 ? I have a hard time understanding what's the answer

Mathematics
2 answers:
madam [21]3 years ago
7 0

Answer:

2+2=4

Step-by-step explanation:

When adding 2 plus 2 you must add because + means adding when you add you get the sum of 4

Anarel [89]3 years ago
3 0

Answer:

4

Step-by-step explanation:

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You have a 4 in. X 6in. family picture that you want to resize. You can choose from a 16 in. X 20 in. or an 18 in. X 24 in. Whic
skad [1K]

Answer:

24/18=1.333

20/16=1.25

6/4=1.5 (the ratio to achieve9

1.333 is more close to 1.5 than 1.25 (11% difference compared to 17%)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
An athlete ran a sprint of 100 ft in 3.1 s. At what speed was the athlete running in miles per hour? Round to the nearest mile p
nordsb [41]

Answer:

22 miles per hour

Step-by-step explanation:

we know that

The speed is the ratio of distance by the time

Let

d -----> distance in feet

t ----> time in seconds

s ----> the speed in ft/sec

s=\frac{d}{t}

we have

d=100\ ft\\t=3.1\ sec

substitute

s=\frac{100}{3.1}

s=32.26\frac{ft}{sec}

Remember that

1\ mi=5,280\ ft

1\ h=3,600\ sec

Convert ft/sec to mi/h

s=32.26\frac{ft}{sec}=32.26\frac{(1/5,280)}{(1/3,600)}=32.26(\frac{3,600}{5,280})=22\ \frac{mi}{h}

7 0
3 years ago
Solve the equation of exponential decay.
BabaBlast [244]

Answer:

$9,220,000(0.888)^t

Step-by-step explanation:

Model this using the following formula:

Value = (Present Value)*(1 - rate of decay)^(number of years)

Here, Value after t years = $9,220,000(1 -0.112)^t

          Value after t years =  $9,220,000(0.888)^t

3 0
3 years ago
Can someone help me will mark brainlist
Nana76 [90]

Answer:

D) -4, 0

Step-by-step explanation:

find common difference.

the common difference appears to be +4 as you must add 4 to -12 to get to -8

now we find the missing terms.

the previous term of the first missing term is -8

if the common difference is +4 then the next term would be -8 + 4 = -4

the term after that would be -4 + 4 = 0

the two missing terms are -4 and 0

5 0
2 years ago
-2x+3=15? What is the answer
const2013 [10]
-2x+3=15

Subtract 3 from both sides:

-2x=12

Divide -2 from both sides:

X=-16 is your answer
5 0
3 years ago
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