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pishuonlain [190]
3 years ago
6

How do I Evaluate – I – 4

Mathematics
1 answer:
elena55 [62]3 years ago
8 0

Answer:

Step-by-step explanation:

= 7 – 1 + 9 x 8

= 7 – 1 + 72

Finish up by evaluating the addition and subtraction from left to right:

= 6 + 72

= 78

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What is the value of x ??
RideAnS [48]

Answer:

4.2mm

Step-by-step explanation:

This are two similar triangles.

Comparing the two:

8/3 = (7+x)/x

Cross multiplying

8x = 3 (7+x)

8x = 21 + 3x

8x - 3x = 21

5x = 21

Dividing by 5

X = 21/5

X = 4.2mm

3 0
3 years ago
marie hikes at a rate of 2 miles per hour if she hiked for 6 and 2/5 hours how many miles will she hike
hram777 [196]

Well, for this question we can start off by making an equation

(6.4)2

This problem is quite simple actually so we will just multiply 6.4*2

6.4*2=12.8 miles

5 0
3 years ago
Rewrite the expression with rational exponents as a radical expression by extending the properties of integer exponents.
ra1l [238]

The expression will be written as \rm \sqrt[8]{2^5}., the correct option is A.

<h3>What are Exponents?</h3>

Exponents are the base raised to a power, It is written in the superscript of a number.

The expression given in the statement can be written as

\rm \dfrac{ 2^{7/8}}{2^{1/4}}

By the Exponent rule,

\rm \dfrac{a^m}{a^n} = a^{m-n}

So the expression can be written as

<h3>=\rm { 2^{7/8-1/4}</h3>

=\rm 2^{5/8}

=\rm \sqrt[8]{2^5}

Therefore, in radical form, the expression will be written as \rm \sqrt[8]{2^5}., the correct option is A.

The complete question is

Rewrite the rational exponent as a radical by extending the properties of integer exponents.

2 to the 7 over 8 power, all over 2 to the 1 over 4 power

the eighth root of 2 to the fifth power

the fifth root of 2 to the eighth power

the square root of 2 to the 5 over 8 power

the fourth root of 2 to the sixth power

To know more about Exponents

brainly.com/question/5497425

#SPJ2

6 0
2 years ago
The cube of twice a number.
notsponge [240]

Answer

?

Step-by-step explanation:

Wheres The Question

7 0
3 years ago
What is the width of a rectangle that has an area of 96 square inches and a length of 12 inches?
Yuki888 [10]
8 because 8x12 is 96.
3 0
3 years ago
Read 2 more answers
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