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ASHA 777 [7]
2 years ago
9

Solve for x. 3x/-8 =−21/4 Enter your answer in the box.

Mathematics
2 answers:
Alexxandr [17]2 years ago
7 0

Answer:

x = 14

Step-by-step explanation:

3x/-8 = -21/4

(3x/-8)×-8 =( -21/4)×-8

3x = 42

3x/3 = 42/3

x = 14

hope it's helpful

sdas [7]2 years ago
6 0

Answer:

x = 14

Step-by-step explanation:

to solve this you have to first move 3/-8 to the other side and divide while keeping x on the same side.

now to divide you must flip over 3/8 and multiply so 21/4 x 8/3 ( negative sign cross off because there are two of them) so 3 and 21 cross off leaving 7 in the numerator 4 and 8 cross of leaving 2 in the numerator and then 7 and 2 get multiplied and you will get 14.

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just olya [345]

Using a linear function, it is found that the estimated French score is of 38.1875.

A <em>linear function</em> has the following format:

y = mx + b

In which:

  • m is the slope.
  • b is the y-intercept.

Searching the problem on the internet, it is found that two points of the line of best-fit are: (10,65) and (90,26).

The slope is given by <u>change in the output divided by the change in the input</u>, hence:

m = \frac{26 - 65}{90 - 10} = -0.4875

Then:

y = -0.4875x + b

Point (10,65) means that when x = 10, y = 65, and this is used to find b.

y = -0.4875x + b

65 = -0.4875(10) + b

b = 69.875

Hence:

y = -0.4875x + 69.875

For a student who got 65 in math, x = 65, and hence:

y = -0.4875(65) + 69.875 = 38.1875

The estimated French score is of 38.1875.

For more on linear functions, you can check brainly.com/question/16302622

7 0
3 years ago
Christopher has a breakfast at the café and the cost of his most 36 dollars because of the service he wants to leave a 10% tip w
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Step-by-step explanation:

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Julli [10]

Answer:

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Step-by-step explanation:

We assume the length of thread is proportional to the number of boxes of shirts. If L is the thread length required, then that assumption means

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Multiplying the equation by (6 boxes), we get

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MissTica

Answer:

D. A straight line segment can be drawn between any two points.

Step-by-step explanation:

Euclid of Alexandria was famously known and regarded as the founder of geometry, as well as the father of geometry. He was born in the Mid-fourth century, BC and he specialized in the field of Mathematics. Some of his popular works in the field of Mathematics were Euclid's Elements, Euclidean algorithm and Euclidean geometry.

One of the basic postulate of Euclidean geometry is that a straight line segment can be drawn between any two points.

Others include;

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