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3 years ago

Question 3 of 5

Mathematics

1 answer:

faust18 [17]3 years ago

4 0

A. y=-4x-4 where m=-4 and c=-4 for the equation y=mx+c

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In the interval,<br> [0,2), what are the solutionms of the equation sin x =-1/2?

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Step-by-step explanation:

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3 years ago

How to solve for quadratic equations with inequalities?

Inga [223]

First solve the quadratic as you would an equation, so you will get two real zeroes p and q so that (x-p)(x-q)=0 is another way of expressing the quadratic. All quadratics can be represented graphically by a parabola, which could be inverted. When the x² coefficient is negative it’s inverted. If the coefficient of x² isn’t 1 or -1 divide the whole quadratic by the coefficient so that it takes the form x²+ax+b, where a and b are real fractions. The curve between the zeroes will be totally below the x axis for an upright parabola, and totally above for an inverted parabola. This fact is used for inequalities. An inequality will be <, ≤, > or ≥. This makes it easy to solve the inequality. If the position of the curve between the zeroes is below the axis then outside this interval it will be above, and vice versa. So we’ve defined three zones. x

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4 years ago

Barry is trying to calculate the distance between point E(3, 1) and point F(4, 7). Which of the following expressions will he us

Alex777 [14]

Answer:

Option (1) is correct.

Barry uses the expression " square root of the quantity of 7 minus 1 all squared plus 4 minus 3 all squared " to find the distance between point E(3, 1) and point F(4, 7).

Step-by-step explanation:

Given : Barry is trying to calculate the distance between point E(3, 1) and point F(4, 7).

Distance between two points can be calculate using distance formula,

Distance formula states given two points P(a,b) and Q(c,d) the distance between P and Q can be calculated using the given expression ,

$D=\sqrt{(c-a)^2+(d-b)^2}$

Thus, distance between point E(3, 1) and point F(4, 7) can be calculate using above formula as ,

Here, a= 3 , b= 1 , c = 4 and d = 7

$D=\sqrt{(c-a)^2+(d-b)^2}$

Substitute above values, we get,

$D=\sqrt{(4-3)^2+(7-1)^2}$

$D=\sqrt{(1)^2+(6)^2}$

$D=\sqrt{37}$

Thus, Barry uses the expression " square root of the quantity of 7 minus 1 all squared plus 4 minus 3 all squared " to find the distance between point E(3, 1) and point F(4, 7).

Thus, Option (1) is correct.

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3 years ago

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PLEASE HELP ASAP! WILL GIVE BRAINLIEST!!!!

kicyunya [14]

Answer: Alternate exterior angles theorom

Step-by-step explanation:

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3 years ago

Can someone please help me real quick?

Dima020 [189]

Answer:

3.5p ≤ 40

Step-by-step explanation:

The inequality that best describes this problem is 3.5p ≤ 40;

Given parameters:

Total amount with me = $40

Cost per package of hot dog = $3.5

Unknown;

The inequality that represents the problem = ?

Solution:

p is the number of hotdogs that can be bought.

So, total hotdog that can be bought if each hotdog cost $3.5 per box is;

p x 3.5

Now,

this will equal the total amount at hand;

p x 3.5 ≤ 40

3.5p ≤ 40

7 0

3 years ago

Read 2 more answers