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jok3333 [9.3K]
3 years ago
14

Help, please, I’m so confused

Mathematics
2 answers:
mel-nik [20]3 years ago
6 0

Answer:

Uhhh just do all the process corectly :)

goblinko [34]3 years ago
4 0

Answer:

See Explanation

Step-by-step explanation:

While multiplying exponents with the same bases, we add the exponents.

Formula:

\huge  \red{ \boxed{\bigg( {a}^{m} \bigg).  \bigg( {a}^{n} \bigg) =  {a}^{m + n} }} \\

SOLUTION:

\huge \bigg( {7}^{ \frac{3}{4} } \bigg).   \bigg( {7}^{ \frac{3}{4} } \bigg)  \\  \huge =  {7}^{ \frac{3}{4}  +  \frac{3}{4} }   \\  \huge =   {7}^{ \frac{6}{4} }  \\  \huge  =  {7}^{ \frac{3}{2} }  \\  \huge  =  \sqrt{ {7}^{3} }   \\   \huge = 7 \sqrt{7}

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Pls helppp!!! -------
Gelneren [198K]

Answer:

∠ A ≈ 44.42°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos A = \frac{adjacent}{hypotenuse}  = \frac{AC}{AB} = \frac{5}{7} , then

∠ A = cos^{-1} (\frac{5}{7} ) ≈ 44.42° ( to the nearest hundredth )

5 0
3 years ago
Determine A:B:C, if A:B= 2:3 and B:C =4: 5​
cestrela7 [59]
I’m confused what we are suppose to do
6 0
2 years ago
I need helpppppppp!!!!
kati45 [8]

What do you need help with?

8 0
2 years ago
I wasn't in class so I need help solving the inequality 7/10n+14<49
NikAS [45]

Answer:

n<50

Step-by-step explanation:

7/2*5n + 14<49

7n/2*5+14<49

(7n)+(2*5)14/2*5 <49

7n+10*14/2*5 <49

7n+140/2*5 <49

7n+140/10 <49

7n+140 < 10*49

7n+140 < 490

(7n+140)+(-140)<490+(-140)

7n+140-140<490-140

7n<350

7n/7 < 350/7

n<2*5^2*7/7

n<2*5^2

n<2*25

n<50

8 0
2 years ago
Find the area of a scalene triangle with sides 9 cm. 12 cm
Neko [114]

Answer:

105 sq. cm

Step-by-step explanation:

The shortest altitude will ⊥ to the longest side.

A = (1/2)bh

=.5(30)(7)

= 105 sq. cm

4 0
2 years ago
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