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Gnom [1K]
3 years ago
7

Find the unknown side of the right triangle below. Round to the nearest tenth

Mathematics
2 answers:
dmitriy555 [2]3 years ago
4 0

Answer:

7.1

Step-by-step explanation:

5^2 + 5^2 = c^2

25 + 25 = c^2

50 = c^2

7.1 = c

shtirl [24]3 years ago
3 0

Answer:

B) 7.1 ft

Step-by-step explanation:

Two ways to go about this:

<u>Method 1:</u>

Recognize that since the side lengths are equal to each other, then the hypotenuse must be equal to 5√2 or about 7.1 feet since the triangle is a 45-45-90 triangle.

<u>Method 2:</u>

By using the Pythagorean Theorem, a^2+b^2=c^2, we have 5^2+5^2=c^2 --> 25+25=c^2 --> 50=c^2 --> 7.1≈c

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30 POINTS <br><br>what is the volume of the solid figure below
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Answer:

I got B) 72 cm^3

Step-by-step explanation:

cube area= 4

rectangle area= 18

4*18= 72

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3 years ago
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The numbers 2/1/3,h,k,7/7/8 firm a geometric progression. find the value of h and of k
taurus [48]

\text{We have }\ 2\dfrac{1}{3},\ h,\ k,\ 7\dfrac{7}{8}.\\\\\text{Convert the mixed numbers to the improper fractions}\\\\2\dfrac{1}{3}=\dfrac{2\cdot3+1}{3}=\dfrac{7}{3}\\\\7\dfrac{7}{8}=\dfrac{7\cdot8+7}{8}=\dfrac{63}{8}\\\\\text{If}\ a_1,\ a_2,\ a_3,\ a_4\ \text{is a geometric seqence, then:}\\\\\dfrac{a_2}{a_1}=\dfrac{a_3}{a_2}=\dfrac{a_4}{a_3}=r\\\\a_2=a_1r\\\\\text{and}\ \dfrac{a_4}{a_1}=r^3\\\\\text{Substitute:}

r^3=\dfrac{\frac{63}{8}}{\frac{7}{3}}\\\\r^3=\dfrac{63}{8}\cdot\dfrac{3}{7}\\\\r^3=\dfrac{9\cdot3}{8\cdot1}\\\\r^3=\dfrac{27}{8}\to r=\sqrt[3]{\dfrac{27}{8}}\\\\r=\dfrac{3}{2}\\\\h=2\dfrac{1}{3}\cdot\dfrac{3}{2}=\dfrac{7}{3}\cdot\dfrac{3}{2}=\dfrac{7}{2}\\\\k=\dfrac{7}{2}\cdot\dfrac{3}{2}=\dfrac{21}{4}\\\\Answer:\ \boxed{h=\dfrac{7}{2}=3\dfrac{1}{2}\ and\ k=\dfrac{21}{4}=5\dfrac{1}{4}}

8 0
3 years ago
Ricardo changed $600 into pounds when the exchange rate was $1 = 0.60 pounds
yulyashka [42]

600 x 0.60 = 360 pounds

360 /0.72 = 500

He got $500

8 0
2 years ago
Please help its urgent​
navik [9.2K]

Answer:

Step-by-step explanation:

18x-6=120

18x=120+6

18x=126

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5 0
3 years ago
Which expression is equivalent to 5^3?
AleksAgata [21]

Answer:

C and D

Step-by-step explanation:

5^3 - 5^0 = 125 - 1 = 124, so it's not A

5^12 / 5^4 = 5^(12-4) = 5^8, so it's not B

5^7 * 5^-4 = 5^(7+(-4)) = 5^3, so it can be C

5^0 * 5^3 = 5^(0+3) = 5^3, so it can be D

5 + 5^2 = 5 + 25 = 30, so it can't be E

3 0
2 years ago
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