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Gennadij [26K]
2 years ago
6

Please explain . solve the system by elimi ation -x-18y=-3 7x-9y=21

Mathematics
1 answer:
Triss [41]2 years ago
5 0
This is the answer to the question

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The ______ of the degrees of each factor is
nasty-shy [4]

Answer:

  • B. Sum

Step-by-step explanation:

When finding the volume, we multiplied the 3 dimensions with degree of 1, 1 and 3 and got the binominal of degree 5. We summed up the degrees: 1 + 1 + 3 = 5.

  • The <u>SUM</u> of the degrees of each factor is  the degree of the product.
8 0
3 years ago
Read 2 more answers
Any two lines lie in exactly one plane.<br><br> True<br> False
egoroff_w [7]
<u>Answer:</u> False

<u>Explanation / Counterexample:</u> Two lines in a 3-dimensional space can lie in two different planes. 
6 0
3 years ago
The math teachers decided to throw a party. One teacher bought 7 cookies and 2 ice cream bars for $10.95. Another teacher bought
tatyana61 [14]

Answer:

0.95, 2.15

Step-by-step explanation:

cookie-x

ice bar-y

7x+2y=10.95 (*3)

4x+3y=10.25 (*2)

21x+6y=32.85

8x+6y=20.5

21x-8x=32.85-20.5=12.35

13x=12.35

x=0.95

2y=10.95-7*0.95=4.3

y=2.15

8 0
3 years ago
A dart is thrown upward with an initial velocity of 66 ft/s at an angle of elevation of 54°. Consider the position of the dart a
givi [52]

Answer:

Answer to the question:

Step-by-step explanation:

α= 54º

V= 66 ft/s

g= 9.8 m/s²

Vx= V * cos(54º) = 38.8 ft/s

Vy= V * sin(54º) = 53.4 ft/s

<u>PARAMETRIC EQUATIONS:</u>

x(t)= Vx * t

y(t)= Vy * t - (g * t²)/2

4 0
3 years ago
Help me please help help help help
sineoko [7]

Answer:

77

Step-by-step explanation:

it is the same angle from one side and theother

3 0
2 years ago
Read 2 more answers
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