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3 years ago

Translate the sentence into an equation.

Mathematics

2 answers:

dimaraw [331]3 years ago

8 0

Answer:

_______

7x + 2 = 5

_______

Step-by-step explanation:

_______________

Two more than the product of A NUMBER and 7 is equal to 5.

That “a number” we can assume is x.

_______________

Two more than the PRODUCT OF (x) AND (7) is equal to 5.

So far, we have x. The sentence says “product of x and 7” which we can translate to 7x

_______________

TWO MORE THAN (7x) is equal to 5.

So that tells us to ADD 2 to (7x) >>> (7x + 2)

_______________

(7x+2) IS EQUAL to 5.

This tells us:

7x + 2 = 5

_______________

Hope this helps!!!

Vilka [71]3 years ago

6 0

Answer:

what is tow more the the product of a number and 7 equal to?

Step-by-step explanation:

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3 years ago

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find the coordinates of point Z that splits the segment XY located 3/7 of the way between X(-2,1) and Y(4,5)

Drupady [299]

Answer:

Z(-0.2, 2.2).

Step-by-step explanation:

We will use section formula when a point, say P, divides any segment ,say AB, internally in the ratio m:n.

$[x=\frac{mx_2+nx_1}{m+n}, y= \frac{my_2+ny_1}{m+n}]$

We have been given the points of segment XY as X at (-2,1) and Y at (4,5) and ratio is 3:7.

$(x_1, y_1)=(-2,1)$

$(x_2, y_2)=(4,5)$

$m:n=3:7$

Upon substituting coordinates of our given points in section formula we will get,

$[x=\frac{(3*4)+(7*-2)}{3+7}, y= \frac{3*5+7*1}{3+7}]$

$[x=\frac{12-14}{10}, y= \frac{15+7}{10}]$

$[x=\frac{-2}{10}, y= \frac{22}{10}]$

$[x=-0.2, y= 2.2]$

Therefore, coordinates of point Z will be (-0.2, 2.2).

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3 years ago

A coin is tossed 5 times and a tail is the outcome each time. what is the probability of getting a tail on the sixth throw

Norma-Jean [14]

I believe it would be
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3 years ago

Suppose you take an SRS of size 1000 of Connecticut students eligible to take the SAT and find that 85% plan to take the SAT dur

nadezda [96]

Answer:

$\mu_{p}=p=0.81$

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The population proportion have the following distribution

$p \sim N(p,\sqrt{\frac{p(1-p)}{n}})$

So under the null hypothesis the mean for the population proportion is p

$\mu_{p}=p=0.81$

And the standard deviationis given by:

$\sigma_{p}=\sqrt{\frac{p_0(1-p_o)}{n}}=\sqrt{\frac{0.81(1-0.81)}{1000}}=0.0124$

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4 years ago

15. Oscar wants to rent a boat. The rental shop charges and initial fee of $12 plus $8 per hour to rent the boat. Write a equati

lbvjy [14]

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3 years ago