MATHEMATICS HIGH SCHOOL

Can someone also help me simplify 5(–2xy)

Answers

Answer 1
Answer:

Answer:

-10xy

Step-by-step explanation:

distributive property

5*-2=-10

-10xy
Answer 2
Answer:

Answer:

-10xy

Step-by-step explanation:

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Solve algebraically x-4y=-10x+y=5
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Need help DUE IN 50 mins

Answers

The value of x is 8 and the value of y is 21.

The given lines l and m are parallel to each other. Thus,

Angles, (7x+12)^o and (12x-28)^o are equal due to absolutely none angles.

7x+12=12x-28\n5x=40\nx=8

The sum of the angles(12x-28)^o and (9y-77)^o is equal to 180^o.

(12x-28+9y-77)=180\n12*8-28+9y-77=180\ny =21

To know more about parallel,

brainly.com/question/34476765

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An ant can travel at a constant speed of 980 inches every 5 minutes.1. How far does the ant travel in 1 minute?
2. At this rate ,how far can the ant travel in 7 minutes?

Answers

1. 196 a minute
2.1,372 in 7 mi s

Answer:

196 per minute, 1,372 per 7 min

Step-by-step explanation:

980/5=196

196*7=1,372

Solving Trig. Equations:

csc^2x-2cot^2x=0

Answers

csc^2x-2cot^2x=0;\ D:x\neq k\pi\ (k\in\mathbb{Z})\n\n(1)/(sin^2x)-2\cdot(cos^2x)/(sin^2x)=0\n\n(1-2cos^2x)/(sin^2x)=0\iff 1-2cos^2x=0\n\n-2cos^2x=-1\ \ \ /:(-2)\n\ncos^2x=(1)/(2)\n\ncosx=\sqrt(1)/(2)\ \vee\ cosx=-\sqrt(1)/(2)\n\ncosx=(\sqrt2)/(2)\ \vee\ cosx=-(\sqrt2)/(2)


x=(\pi)/(4)+2k\pi\ \vee\ x=-(\pi)/(4)+2k\pi\ \vee\ x=(3\pi)/(4)+2k\pi\ \vee\ x=-(3\pi)/(4)+2k\pi\n\n\nAnswer:x=(\pi)/(4)+(k\pi)/(2)\ (k\in\mathbb{Z})

Mike constructed a quadrilateral POQS. He used a compass and straightedge to accurately construct line segment OS, as shown in the figure below:An angle POQ is drawn. Two similar arcs intersect OP and OQ. Two more similar arcs intersect each other at a point S and a dashed line is drawn from O to S, such that OS bisects angle POQ

Which could be the measures of angle POS and angle POQ?

Answers

Unless we were given values of the angles, there is no way to find the numerical value of the angle. However, we can establish a relationship between the measures of angles POS and POQ. Since it was stated that OP and OQ were similar arcs (had the same value), and that OS bisects angle POQ, we can conclude that the two angles (POS and QOS) created from bisecting POQ are each, exactly half the angle POQ. Therefore:

angle POS = 1/2 angle POQ

Answer:

on the test the answer is m<POS= 25; m<POQ=50

Step-by-step explanation:

What is the domain and range of y = x+1/x-1

Answers

y = (x + 1)/(x - 1)
Domain                         Range
    -3                                 ¹/₂
    -2                                 ¹/₃
    -1                                  0
     0                                 -1
     1                           undefined
     2                                  3
     3                                1¹/₂

In the workbench​ drawer, the ratio of hex bolts to all bolts is 0.26. Write the ratio as a fraction in simplest form. As a​ fraction, the ratio of hex bolts to all bolts is

Answers

Answer:

  13/50

Step-by-step explanation:

0.26=(26)/(100)=(2\cdot 13)/(2\cdot 50)=(13)/(50)
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