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Usimov [2.4K]
3 years ago
12

Use doubles mines one to solve 8+7.Write the number sentence.

Mathematics
1 answer:
vlada-n [284]3 years ago
7 0

Answer:

15

Step-by-step explanation:

8+8 would be the doubles and that would equal 16.

Then take one away from 16 and that would equal 15

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Which expression is equivalent to 24?<br> O 2√3<br> 23√/3<br> O 2√6<br> O 23√√6
vredina [299]

24^{1/3}=\sqrt[3]{24}=\sqrt[3]{8 \cdot 3}=\sqrt[3]{8}\sqrt[3]{3}=\boxed{2\sqrt[3]{3}}

5 0
1 year ago
How many times greater is the value of the 3 in 3,499 than in 6,399
boyakko [2]

Answer:

967 times

Step-by-step explanation:

3 / 3499 is 1166.33333

3 / 6399 is 2133

7 0
3 years ago
What is x+3y=6 what is the x
Ymorist [56]
X=-3y+6 That is the answer.
3 0
3 years ago
Find x<br> a) 21 √2<br> b)7<br> c)21 √2/2<br> d)21 √3/2
fgiga [73]

Answer:

C

Step-by-step explanation:

Use the sine ratio in the left, right triangle to find the common side to both triangles and the exact values

sin60° = \frac{\sqrt{3} }{2} , cos45° = \frac{1}{\sqrt{2} } , thus

sin60° = \frac{opposite}{hypotenuse} = \frac{opp}{7\sqrt{3} } = \frac{\sqrt{3} }{2} ( cross- multiply )

2 × opp = 21 ( divide both sides by 2 )

opp = \frac{21}{2}

Now consider the right triangle on the right, using the cosine ratio

cos45° = \frac{adjacent}{hypotenuse} = \frac{\frac{21}{2} }{x} = \frac{1}{\sqrt{2} } ( cross- multiply )

x = \frac{21}{2} × \sqrt{2} = \frac{21\sqrt{2} }{2} → C

5 0
3 years ago
the sale price of a pair of pants is 65% of te regular price of $25. How much so you save by buying the pants on sale?
zysi [14]
$25 times 0.65 = $16.25 & then you do $25 - $16.25 which equals $8.75. So you save $8.75 by buying the pants on sale.
7 0
3 years ago
Read 2 more answers
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