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2 years ago

CAN SOMEONE PLS PLS PLS PLS ANSWER THESE ITS DUE TODAY AND ILL GIVE BRAINLY

Mathematics

2 answers:

Ksivusya [100]2 years ago

4 0

10) D

11)B

12)D

13)A

14) xy = 12

15)C

16)D

17) 2, 3, 4

18) B

alex41 [277]2 years ago

4 0

Answer:

A.)

B.)

D.)

C.)

Q:14.) they are the same

A.)

D.)

C.)

Step-by-step explanation:

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In a cross-country run organized by a school, the students who completed the run

coldgirl [10]

280 students have a total of 560 points

There 60 more boys(x+60) complete than girls(x)

2*(x+60)+2*x= 560

number of girl =x =110

girl point =110*2= 220

6 0

2 years ago

Which ordered pair is a solution of the system of a linear equation below? Y= 1/4x +2 y= x-1

Tanya [424]

Answer: x = 4, y = 3

<u>Step-by-step explanation:</u>

$y=\dfrac{1}{4}x+2$ and $y=x-1$

Using substitution method we get:

$x-1=\dfrac{1}{4}x+2\\\\\text{subtract}\ \dfrac{1}{4}x\ \text{from both sides}\rightarrow \dfrac{3}{4}x-1=2\\\\\text{add 1 to both sides}\rightarrow \dfrac{3}{4}x=3\\\\\text{multiply both sides by 4}\rightarrow 3x=12\\\\\text{divide both sides by 3}\rightarrow x=4\\\\\text{Insert x = 4 into one of the original equations to solve for y:}\\y=x-1\\y =(4)-1\\y=3$

3 0

2 years ago

Given the following diagram, find the required measure.

Zielflug [23.3K]

Answer:

∠ 5 = 40°

Step-by-step explanation:

∠ 1 and ∠ 2 are adjacent angles and supplementary, thus

∠ 2 = 180° - ∠ 1 = 180° - 140° = 40°

∠ 5 and ∠ 2 are alternate angles and congruent , thus

∠ 5 = 40°

3 0

2 years ago

Math. My brain cells have officially ADIOSED out of my brain.

natima [27]

Answer:

Step-by-step explanation: 40

4 0

2 years ago

30 points!

Andru [333]

Answer:

1. B

2. B

Step-by-step explanation:

1. Three points are collinear if they lie on the same line. The diagram shows two triples of points that lie on the same line:

points B, C and D;
points A, C and E.

Thus, option B is true.

2. Another way to name the plane is to select three points which do not lie on the same line and write them consequently. As you can see from the diagram, points B, F and D lie on the plane M, but do not lie on the same line. Thus, another way to name plane M is BFD.

4 0

2 years ago