Brenda D.

Algebra 1

10/03/22

What is the domain for y=-2/3x+7

Y=-2/3×+7

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Precalculus

09/30/22

Radian and Degree Measure

Find the arc-length of a circle with the given radius r and central angle θ. Give the answer in the given unit of measure, rounded to the nearest hundredth.r = 48m; θ = 135°_____m

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Algebra 1

09/23/22

Translate this phrase into an algebraic expression. 19 more than twice Chrissy's score Use the variable c to represent Chrissy's score.

help me

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Geometry

09/23/22

If QR = x + 10, RS = 8, and QS = 7x, what is QS?

q x+10 r 8 s ... more

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Algebra 1 Algebra 2

09/19/22

A radioactive substance decays at a continuous rate of 15.9 % per day. After 5 days, what amount of the substance will be left if you started with 280 mg?

A radioactive substance decays at a continuous rate of 15.9% per day. After 5 days, what amount of the substance will be left if you started with 280 mg?(a) First write the rate of decay in decimal... more

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Math Elementary Math

09/19/22

problem solving in mathematics

solve each problems1. jona has 24 stamps. Jonny has 6 times as many stamps as jona. jow many stamps does Jonny have?2. a farmer harvested 35 baskets with 25 apples in each basket. how many mangoes... more

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Algebra 1 Prealgebra

09/17/22

Write "Three times the sum of a number and 2.1 added to twice the number" as an algebraic expression.

Can you break it down for me, thanks.

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Algebra 1

09/15/22

You invested $4000 between two accounts paying 2% and 6% annual interest,respectively.if the total interest earned for the year was $120, how much was invested at each rate

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Algebra 2

09/07/22

Guess and check

Mr. Akika has 53 18-cent and 28-cent stamps all told. The stamps are worth $12.94. How many of each kind of stamp does he have?

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Prealgebra

08/31/22

cost $12 for adults and 5$ for children .on the first day of the fair 312 tickets were sold for a total of 2204$.How many adults ticket and how many child tickets were sold

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Precalculus

08/25/22

Write the standard form of The equation of the circle with the given characteristics. Endpoints of a diameter: (2,4) , (-12,-14)

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Algebra 2

08/17/22

The quotion of three times a number and 4 is at least -16

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Answers •3

Math Algebra 1

08/10/22

Math (first plan and second plan)

Kaitlin will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $55 and costs an additional $0.15 per mile driven. The second plan has an initial fee... more

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Algebra 2

08/10/22

Which of the following are geometric sequences?

1,1,2,3,5,8,135,10,15,20,25-9,-3,-1,-1/3,-1/9,-1/2710,5,2.5,1.25,0.625,0.3125

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Geometry

08/09/22

What is the distance between the two points (1, 3) and (5, -1)?

A. 16B. 4 sqrt 2C. 8D. 2 sqrt 2

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Math Geometry 8th Grade

05/14/22

someone help me ASAP

Write the equation of a line perpendicular to 2x -7y =3 and passes through the points (-4,5) Group of answer choices7x+2y=18y=(-7/2)x-92x-7y=-18y=(7/2)x+19

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Sat Math

05/13/22

X^2(x+3)(x-b)=0

In the given equation, b is a positive constant. The sum of the solutions of the equation is 5. What is the value of b?

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Sat Math

05/13/22

Right triangle, cos and sin

In right triangle XYZ, sinX=cos20°. What is the measure, in degrees, of angle x?

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Math Precalculus Algebra

05/12/22

I don't know how to solve this question. Help me out please.

A rectangle has perimeter 80 cm and its length is 1 cm more than twice its width. Find the dimensions of a rectangle given that its perimeter is 80 cm and its length is 1 cm more than twice its... more

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Geometry

05/11/22

Geometry practice Quiz : I need some guidance please!!

Segment AB has point A located at (6, 5). If the distance from A to B is 5 units, which of the following could be used to calculate the coordinates for point B?5 = 5 = 5 = 5 =

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Geometry

05/10/22

Isosceles trapezoid area

I know that the area of any Isosceles trapezoid is: a+b/2 *h, but does anyone know how to prove this formula? I got this question as a math exercise and am now very stuck. Please help!

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Calculus Precalculus Trigonometry

04/28/22