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Ket [755]
3 years ago
9

Lines e and f are parallel. The mAngle9 = 80° and mAngle5 = 55°.

Mathematics
2 answers:
Soloha48 [4]3 years ago
8 0

Answer:

a c e

Step-by-step explanation:

worty [1.4K]3 years ago
3 0

Answer:

Fist if all u will draw ur Parallel lines e and f are cut by transversal c and d. All angles are described clockwise, from uppercase left. Secondly u will draw ur Parallel lines or angle.

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Find b in triangle TRG. Please help, I'm not sure how to solve for b.
Marina CMI [18]

Answer:

b=4.9

C. is the correct option.

Step-by-step explanation:

In triangle TGN,

Let <RTG be x

cosx= b/h

or, cosx = 2/a

Again,

In triangle TRG,

cosx = b/h

(for bigger right angled triangle)

cosx = a/(4+2)

cosx = a/6

Now

cosx = 2/a = a/6

or, 2/a = a/6

or, 12 = a²

so, a² = 12

Now,

For TRG,

h² = p²+b²

or, 6² = b² + a²(a²=12)

or, 6² = b² + 12

or, 36 = b² + 12

or, 36 -12 = b²

or, b² = 24

or, b = square root 24

so, b = 4.8989

so, b = 4.9

7 0
2 years ago
Which of the following is equivalent to (n-3)(n-5) a. n2-8n+15, b. n2+8n-15, c. n2-15n+8
solong [7]
Foil the binomials

First: n*n=n^2
Outer: n*-5=-5n
Inner: -3*n=-3n
Last: -3*-5=15

Put it together and simplify
n^2-5n-3n+15
n^2-8n+15

Final answer: A
5 0
3 years ago
(05.05)
kari74 [83]

Answer:

2

Step-by-step explanation:

f(-1)=2(-1)+2+1

f(-1)=-2+2+1

f(-1)=1

f(0)=2(0)+2+1

f(0)=0+2+1

f(0)=3

Use slope formula for the average rate of change.

(y2-y1)/(x2-x1)

(3-1)/(0+1)

(2)/(1)

2

Hope this helps!

If not, I am sorry.

5 0
2 years ago
A rectangular prism has a length of 4 cm and a width of 5 cm.The volume of the prism is 200 cu cm .The height is unknown.Explain
Kaylis [27]

Answer:

Well just gonna explain kn the bottom but the answer is 10

Step-by-step explanation:

what you would have to do first is to jusy do 5x4 which is 20 then since you wanna find the volume yoi qould juat do 200 divide by 20 which is 10

3 0
3 years ago
If 15 pen cost $3.90, which equation would help determine the cost of 6 pens?
madreJ [45]

Answer

1.56

Step-by-step explanation:

You must find the unit rate. To do so, you must divide 3.90 by 15. That will give you 0.26. After, times 6 and .26 to get your answer. Hope this helps.

8 0
3 years ago
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