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3 years ago

Please Help! Math Question!

Mathematics

2 answers:

MaRussiya [10]3 years ago

7 0

By the looks of it, 0 solutions because they do not intersect at all.

Jobisdone [24]3 years ago

5 0

It depends on how you look at it. The other person who answered thought they were different lines, which they could be. I think the have the same path, and equation.

If you agree with me then there are infinitely many solutions since they share each point. These lines share the same slope and y-intercept.

If you think they are separate lines with no intersections then they are parallel lines without any solutions. These lines share the same slope but have different y-intercepts.

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What is positive four plus negative four over negative nine plus negative seven

seraphim [82]

$\frac{4 + (-4)}{(-9) + (-7)} = \frac{4-4}{-9 -7} = \frac{0}{-16} = 0$

When 0 is in the numerator, then the whole fraction becomes equal to 0.

However if 0 is in the denominator, then it is undefined.

8 0

3 years ago

Write the equation in exponential form using the two points (0,1) and (1,3)

MakcuM [25]

Answer:

$y=3^x$

Step-by-step explanation:

The equation of the function in exponential form is

$y=a\cdot b^x$

The function is determined using points (0,1) and (1,3), so their coordinates satisfy the eduation. Substitute them:

$1=a\cdot b^0\Rightarrow a=1\ \ [b^0=1]\\ \\3=a\cdot b^1\Rightarrow 1\cdot b=3,\ b=3$

Thus, the equation of the function is

$y=3^x$

8 0

3 years ago

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laila [671]

Answer:

Step-by-step explanation:

Complementary angles are two angles whose measures add to 90°.

m<CFD = 150° - 100° = 50°

m<EFD = 180° - 150° = 30°

Sum = 80°

m<AFB = 40°

m<DFE = m<EFD = 30°

Sum = 70°

m<AFC = 100°

Sum > 100°

m<BFC = 100° - 40° = 60°

m<DFE = 30°

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Yes

Answer: D.

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2 years ago

Solve the equation below. SHOW ALL WORK!!!<br><br> −3(y + 2) = 21

Maurinko [17]

Answer:

y=-9

Step-by-step explanation:

-3(y+2)=21

1st Open parenthesis

-3y-6=21

+6 +6

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/-3 /-3

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2 years ago

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Schach [20]

Answer:

A. 2

B. 10/3

C. 8/3

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Step-by-step explanation: put the whole #and make it into a fraction like this e.g.

6/1 • 1/3 = 6/3 simplifies to 2

3 0

3 years ago