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3 years ago

2+2+4= 8 x 12= .........

Mathematics

2 answers:

Sveta_85 [38]3 years ago

8 0

Answer:

Step-by-step explanation:

almond37 [142]3 years ago

3 0

Answer:

answer is 96

Step-by-step explanation:

96 os the answer of this question

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Find the value of the expression below. Express your answer in scientific notation.

nirvana33 [79]

The value of the expression is $8.8 \times 10^{-2}$ .

Solution:

Given expression:

$$\frac{\left(4.8 \times 10^{8}\right)}{\left(1.2 \times 10^{4}\right)} \times\left(2.2 \times 10^{-6}\right)$

To find the value of the given expression:

Using exponent rule: $a^m\times a^n=a^{m+n}$

$$\Rightarrow\frac{\left(4.8 \times 10^{8-6}\right)}{\left(1.2 \times 10^{4}\right)} \times\left(2.2 \right)$

$$\Rightarrow\frac{\left(4.8 \times 10^{2}\right)}{\left(1.2 \times 10^{4}\right)} \times\left(2.2 \right)$

Using exponent rule: $\frac{a^m}{a^n} =a^{m-n}$

$$\Rightarrow\frac{\left(4.8 \times 10^{2-4}\right)}{1.2} \times 2.2$

$$\Rightarrow\frac{\left(4.8 \times 10^{-2}\right)}{1.2} \times 2.2$

Since $\frac{4.8}{1.2}=4$

$$\Rightarrow(4 \times 10^{-2})\times 2.2$

$$\Rightarrow 8.8 \times 10^{-2}$

Hence the value of the expression is $8.8 \times 10^{-2}$ .

7 0

3 years ago

Sarah has 52 balloons;13 of the balloons are red, and 4 of the balloons have polka dots. Just 1 of the red balloons has polka do

blsea [12.9K]

Answer:

17/52

Step-by-step explanation:

red: 13/52

polka dots: 4/52

13 + 4 = 17 = 17/52

(p.s the "Just 1 of the red balloons has polka dots." was kinda to throw u off it doesn't actually matter)

8 0

3 years ago

Your food bill was $80 at a restaurant you left the tip of $16 which percentage of the food bill did you leave for the tip?

kati45 [8]

Answer:

20%

Step-by-step explanation:

Divide tip by bill.

16 / 80 = 0.2

Convert decimal to percent.

0.2 becomes 20%

7 0

3 years ago

The figure below shows a 39-inch ramp that is attacked to a deck.

Lelu [443]

Answer:

15 inches

Step-by-step explanation:

1. Use the Pythagorean Theorem: a^2+b^2=c^2

You are already given c (the longest side) and one of the legs which could be a or b.

2. Plug the numbers into the formula and square them.

a^2 + 36^2 = 39^2

Squaring the numbers gives you: a^2 + 1,296 = 1,521

3. Subtract 1,296 from both sides and take the square root of the result.

a^2 = 225

$\sqrt{225}$ = 15

6 0

3 years ago

Read 2 more answers

Pls help me I’m struggling

Leni [432]

Answer: Peter < 65

Step-by-step explanation: Peter has less than charlie so charlie is more than or/and equal to being solid line underneath or solid line on graph represented by ≥ 65 stays equal to 65 or more which is a correct statement for charlie as charlie cards are increasing at 65 and has 65 and Peter is shown as ≤ 65 but is slightly wrong as we were told in question that 'he has just started collecting' this means it has to be or certainly less than charlie has - Just in diagram is interpreted as a dotted line on graph coordinates represented by < 65 instead IS LESS THAN 65 would be correct way to interprete inequality of Peters relationship value to that of charlie given amount

8 0

2 years ago