3 years ago

I need help with this math question please :)

Mathematics

2 answers:

mr_godi [17]3 years ago

6 0

Answer: 9/16

Step-by-step explanation:

qaws [65]3 years ago

6 0

Answer: 9/16

Step-by-step explanation: (1/4)^2 turns into 1/16. 5/8 - 1/16 so make them have the same denominator. 5/8 x 2 = 10/16 - 1/16 = 9/16

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Mariana walked 3/10 mile to the park. Later, she walked 1/4 mile to a friend's house. Then she walked 2/5 mile home. How many mi

Paladinen [302]

Answer:

19/20 of a mile.

Step-by-step explanation:

$\frac{3}{10} + \frac{1}{4} + \frac{2}{5}$

The common denominator is 20 so we times the first one by 2 the second one by 5 and the last one by 4. (Both numerator and denominator.)

You will end up with this $\frac{6}{20} + \frac{5}{20} + \frac{8}{20} = \frac{19}{20}$

7 0

3 years ago

(6.1x10^30) (5.1x10^34)

Ilia_Sergeevich [38]

=31.11×10⁶⁴=3.111×10⁶⁵.

3 0

3 years ago

A triangle has side lengths of (6.2p + 4.5q) meters, (3.4p – 0.7r) meters, and (2.9r – 4.1q) meters. Which expression represents

Natalija [7]

Answer:

9.6p + 0.4q + 2.2r meters (answer A)

Step-by-step explanation:

We sum up the three side lengths to obtain the perimeter of the triangle:

(6.2p + 4.5q) meters, , and (2.9r – 4.1q) meters

+ (3.4p – 0.7r) meters

+ (2.9r – 4.1q) meters

---------------------------------

9.6p + 0.4q + 2.2r meters (answer A)

3 0

3 years ago

Which expression is equivalent to the pic

finlep [7]

Answer:

OPTION A: $\frac{1}{2^{15}}$

Step-by-step explanation:

We should know that:

$(a^b)^c = a^{b . c}$

So, $(2^3)^{-5} = 2^{3 . (-5)}}$

$= 2^{-15}$

This is equivalent to $\frac{1}{2^{15}}$

Hence, OPTION A is the answer.

5 0

4 years ago

Find the value of x.

SVETLANKA909090 [29]

9514 1404 393

Answer:

103

Step-by-step explanation:

The sum of angles in a quadrilateral is 360°, so the measure of x° is ...

x° = 360° -127° -90° -40° = 103°

x = 103

5 0

3 years ago

Read 2 more answers