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3 years ago

Math question (solve)

Mathematics

1 answer:

maks197457 [2]3 years ago

4 0

Hey n or c is the answer

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How can you use base ten blocks to find 1.54 + 2.37

alekssr [168]

We can use 100s for ones place, 10s for tenth place and 1s for hundredth place.

Addition of 4 and 7 in the hundredth places will give 11.

Replace 10 blocks with 1 tens block.

Add this 1 to 5 and 3 which are in tens place. This will be 1+5+3 = 9.

Addition of 1 and 2 in ones places 3.

Hence, the answer is 3.91.

8 0

3 years ago

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Help me plissss <br><br> .....................

Temka [501]

Answer:

Step-by-step explanation:

$4 = 2^{2}\\y = 1/4 * (2^{2})^{3/2} = 1/4 * 2^{3}= 1/4 * 8 = 2$

3 0

3 years ago

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What is the value of x if 5x+6<br>=8?

marysya [2.9K]

Answer:

x=2/5

Step-by-step explanation:

5x+6=8

5x=8-6
5x=2
x=2/5

8 0

4 years ago

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The world's population has grown at an average rate of 1.9 percent per year since 1945. There were approximately 4 billion peopl

kkurt [141]

Answer: $f(t) = 4000000000( 1 .019)^t$

Step-by-step explanation:

Here, According to the question, The population of the world is 4 billion (approx).

Again According to the question, The world's population has grown at an average rate of 1.9 percent per year since 1945.

Therefore, after 1975 the growth rate will remains same.

Thus, the population of the world after t years,

$f(t) = 4000000000( 1+\frac{1.9}{100} )^t$ (By the formula $A = P(1+\frac{r}{100})^t$ )

⇒ $f(t) = 4000000000( 1.019 )^t$

Where 1.019 is the growth rate and 4 billion is the initial population.

6 0

3 years ago

X(4x + 1). Need helpppp

elixir [45]

Answer:

4 $x^{2}$ +x

Step-by-step explanation:

That is the correct answer if you want to multiply x by 4x+1

x(4x+1)

(x · 4x) + (x·1) By using the distributrive property

(4 $x^{2}$ ) + (x)

= 4 $x^{2}$ + x

I hope this helps :)

Good luck!

8 0

3 years ago