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3 years ago

I’m not sure how to do this I’m confused please help guysssss

Mathematics

2 answers:

Anna35 [415]3 years ago

8 0

N < - 3

answer is B.

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Ksju [112]3 years ago

8 0

Well, we know that the arrow should point to all of the numbers that are less than -3. So, find -3 on the number line and draw the arrow pointing towards -4,-5,-6, etc because those are all less than -3. Then, you need to either fill in or live the circle at the start of the line empty. Since it is less than -3 and not "less than or equal to" 3, you are going to leave the dot open.

So, your answer will be option number 2.

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If two distinct lines intersect, which is NOT necessarily true? A) The lines are not parallel. B) The lines are perpendicular. C

SVEN [57.7K]

Answer:

B is not necessarily true

Step-by-step explanation:

A) This is always true

B) This is not necessarily true

When two lines intersect, they form angles at the intersection as D says, but that does not mean that the angle will always be 90 degrees as is required for the two intersecting lines to be perpendicular

C) This is always true

D) This is always true

5 0

3 years ago

Read 2 more answers

The negative integers greater than or equal to -12

irga5000 [103]

Following numbers are greater than or equal to -12:
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
And so on..................

(Brainiest please!!!!!)

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3 years ago

Read 2 more answers

Brian needs $315 to buy a new cell phone. He has already saved $115 and plans to save an additional

Juliette [100K]

Answer:

34 weeks

Step-by-step explanation:

Hello!

We can set up an equation to solve for the number of weeks.

Let w = the number of weeks he is saving up.

The equation is $315 = 115 + 10w - 140$

315 is the target amount
115 is the current amount
10w is the rate of growth
140 is the current debt

<h3>Solve for w</h3>

$315 = 115 + 10w - 140$
$315 = -25 + 10w$
$340 = 10w$
$340/10 = w$
$34 = w$

He needs to save up for 34 weeks.

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2 years ago

Solve the system of equations by first multiplying.

skad [1K]

3x+y=-5

12x+5y=27

Let y =-5-3x

Insert y into equ.2

12x+5(-5-3x)=27

12x-25-15x=27 den rearrange

-3x=2 den x =-2/3

Den put xinto equ 1

3(-2/3)+y=5

-2+y=5(collect like terms)

Y =7

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3 years ago

3.3.1. An urn contains five balls numbered 1 to 5. Two balls are drawn simultaneously. (a) Let X be the larger of the two number

hodyreva [135]

Answer:

Step-by-step explanation:

Given that an urn contains five balls numbered 1 to 5

Two balls are drawn simultaneously.

a) X = the larger of two numbers drawn

Assuming balls are drawn without replacement, (since simultaneously drawn)

the sample space would be (1,2) (1,3)(1,4)(1,5) (2,3)(2,4)(2,5) (3,4) (3,5) (4,5)

n(S) = 10

n(x=2) = 1,

n(x=3) =2

n(x=4) = 3

n(x=5) = 4

Larger value X can take values only as 2,3,4 or 5

X 2 3 4 5

p 0.1 0.2 0.3 0.4

-------------------------------------------

b) V = sum of numbers drawn

V can take values as 3, 4, 5, 6, 7, 8 or 9

V 3 4 5 6 7 8 9

p 0.1 0.1 0.2 0.2 0.2 0.1 0.1

6 0

3 years ago