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lora16 [44]
3 years ago
11

What is the solution to the equation below?

Mathematics
2 answers:
devlian [24]3 years ago
8 0

The answer is B. x=-7

Explanation:

I just substituted x for all of the answer choices until I found the right one.

Please mark Brainliest!

N76 [4]3 years ago
8 0
So first you have to subtract 12 from both sides
this will give you
:square root(1-5x)=6
then we must square both sides to get
: 1-5x=36
we then subtract 1
:-5x=35
and divide by -5 to get a final answer of

:x=-7
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Answer:

11 is the missing number

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3 years ago
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A scuba diver descends in the water at a rate of 23 1/2
Makovka662 [10]

The scuba diver's position relative to sea level after the 4.6 minutes is 5.1 ft.

Given:

A scuba diver descends in the water at a rate of 23 1/2  feet per minute for 2.6 minutes.

A scuba diver ascends at a rate of 28 feet per minute for 2 minutes after seeing a big fish.

To find :

The scuba diver's position relative to sea level after the 4.6 minutes.

Solution:

Rate of a scuba diver descending in the water for 2.6 minutes = R _1

R_1= 23\frac{1}{2}ft/min=\frac{47}{2} ft/min

Distance covered by a scuba diver in 2.6 minutes = d_1

d_1=R_1\times 2.6min=\frac{47}{2} ft/min\times 2.6 min=61.1 ft

Rate of a scuba diver ascending for 2 minutes = R _2

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Distance covered by a scuba diver in 2 minutes = d_2

d_2=R_2\times 2min=28 ft/min\times 2 =56 ft

The position of scuba diver after 4.6 minutes relative to sea level:

d_1-d_2=61.1 ft-56 ft=5.1ft

The scuba diver's position relative to sea level after the 4.6 minutes is 5.1ft.

Learn more about ascending rate and descending rate here:

brainly.com/question/1477877?referrer=searchResults

brainly.com/question/1072871?referrer=searchResults

3 0
3 years ago
Factor 6y 2 - 48 + 42y
algol [13]
<h2>Answer:</h2>

The factorization of the given expression is given by:

           6y^2-48+42y=6(y-1)(y+8)

<h2>Step-by-step explanation:</h2>

To factor a polynomial means to express it as a product of the rational factor of the given expression.

The quadratic expression in terms of the variable y is given by:

6y^2-48+42y

It has three terms such that all the three terms are a multiple of 6 , hence we take out common 6 from each term to get the expression as:

6y^2-48+42y=6(y^2-8+7y)\\\\i.e.\\\\6y^2-48+42y=6(y^2+8y-y-8)\\\\i.e.\\\\6y^2-48+42y=6(y(y+8)-1(y+8))\\\\i.e.\\\\6y^2-48+42y=6(y-1)(y+8)

5 0
3 years ago
If ∠MOK and ∠JOM are supplementary angles, then what is the value of x and m∠LOK?
inysia [295]

Answer:

B

Step-by-step explanation:

Note that angle JOM and angle LOK are vertical angles meaning that they are congruent ( equal to each other )

We are given that angle MOK and angle JOM are supplementary

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This means that:

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If angle JOM = angle LOK

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Note that we've just created an equation that we can use to solve for x

We now solve for x

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Combine like terms

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Subtract 130 from both sides

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We also want to find the measure of angle LOK.

To do so we simply plug in the value of x into x + 64

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So x = 50 and angle LOK = 114

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8 0
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damaskus [11]

Answer:

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3 years ago
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