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3 years ago

Writing equation in slope intercept form

Mathematics

1 answer:

Aleksandr-060686 [28]3 years ago

7 0

I will do B only. You do the rest. The idea is to isolate y for all equations.

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Classify this triangle by its sides.

Lunna [17]

Answer:

isosceles but not equilateral

Step-by-step explanation:

this is because you have 2 equal sides but not all are equal for it to be a equilateral triangle

5 0

3 years ago

500 people were surveyed and asked whether had donated food or money to local charities in the past year. 80 had donated food,

SOVA2 [1]

80 + 150 - 45= 185 (take away 45 as that was duplicated in the groups)
185/500= 0.37

4 0

3 years ago

In gym class, each student runs 7 laps. There are 8 students in each gym class. How many laps will be run by one class during 2

Neko [114]

Answer: 112

7 × 8 × 2 = 112

3 0

4 years ago

Please help will mark brainliest for the right answer

hodyreva [135]

Answer:

a). x + y + 90° = 180°

b). x = 67°

y = 23°

Step-by-step explanation:

The sum of all angles in a triangle is 180°.

One of the angles in the figure is a right angle, or 90°. Therefore the sum of the three angles in the figure is:

x + y + 90 = 180

We are also told that x + 2 = 3y.

Rearranging that to isolate x gives us:

x = 3y - 2

Thake the first equation and substitute the above expression of in place of x:

x + y + 90° = 180°

(3y-2) + y + 90° = 180°

4y + 88° = 180°

4 y = 92°

y = 23°

To find angle x, use y = 23°

x = 3y - 2

x = 3*(23°) - 2

x = 67°

The sum 90° + 67° + 23° = 180°

4 0

3 years ago

The functions f(x) and g(x) are defined below.

schepotkina [342]

For this case we have the following polynomials:
$f (x) = 21x ^ 2 + 13x - 20

g (x) = -3x - 4$
To divide the polynomials we must follow the following steps:
1) Same base, the exponents are added.
2) Only terms that have the same exponent can be added or subtracted.
3) If the remainder is zero, the division is exact.
Answer:
$f (x) / g (x) = -7x + 5
$
Note: see attached image for the solution.

3 0

3 years ago