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Vedmedyk [2.9K]
3 years ago
7

Which is true for y=mx+b to have a negative x-intercept. A. The signs of the values of m and b are the same. B. The value of m i

s positive while the value of b is negative. C. The value of m is negative while the value of b is positive. D.The signs of the values of m and b do not affect the sign of the x-intercept.
Mathematics
1 answer:
Luden [163]3 years ago
4 0
Hey there,

Your correct answer would include of being option A.

Hope this helps.

~Jurgen
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3(4) divided by ( 14-5 ) x 2
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Answer:

it is 2.6 that is the answer

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Two Step Equation's and Inequalities -8=2-4y
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Read 2 more answers
200 σ j=1 2j( j 3) describe the steps to evaluate the summation. what is the sum?
ziro4ka [17]

The sum of the equation is  = 5494000.

<h3>What does summation mean in math?</h3>

The outcome of adding numbers or quantities mathematically is a summation, often known as a sum. A summation always has an even number of terms in it. There may be just two terms, or there may be 100, 1000, or even a million. Some summations include an infinite number of terms.

<h3>Briefing:</h3>

Distribute 2j to (j+3).

Rewrite the summation as the sum of two individual summations.

Evaluate each summation using properties or formulas from the lesson.

The lower index is 1, so any properties can be used.

The sum is 5,494,000.

<h3>Calculation according to the statement:</h3>

\sum_{j=1}^{200} 2 j(j+3)

simplifying them we get:

\sum_{j=1}^{200} 2 j^{2}+6 j

Split the summation into smaller summations that fit the summation rules.

\sum_{j=1}^{200} 2 j^{2}+6 j=2 \sum_{j=1}^{200} j^{2}+6 \sum_{j=1}^{200} j

\text { Evaluate } 2 \sum_{j=1}^{200} j^{2}

The formula for the summation of a polynomial with degree 2

is:

\sum_{k=1}^{n} k^{2}=\frac{n(n+1)(2 n+1)}{6}

Substitute the values into the formula and make sure to multiply by the front term.

(2)$$\left(\frac{200(200+1)(2 \cdot 200+1)}{6}\right)$$

we get: 5373400

Evaluating same as above : 6 \sum_{j=1}^{200} j

we get: 120600

Add the results of the summations.

5373400 + 120600

= 5494000

The sum of the equation is  = 5494000.

To know more about  summations visit:

brainly.com/question/16679150

#SPJ4

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1 year ago
One of the largest pizzas ever made had a diameter of 80 yards. To the nearest square yard, what is the area of this pizza?
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Answer: The area is 5024 yrd^2

Step-by-step explanation:

80 is the diameter to we need to divide it by 2 to find the radius

80/2= 40

A= 3.14* 40^2

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A= 5024

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omar is born weighing 8 pounds, 3 ounces. The doctor says he should gain about 5 ounces each week for the next 4 weeks. How much
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He would be 9 pounds 7 ounces
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