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3 years ago

PLS HELP (they are not the same question)

Mathematics

2 answers:

Rufina [12.5K]3 years ago

7 0

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I am Lyosha [343]3 years ago

4 0

Answer:6 48

Step-by-step explanation:

6 is for the first one, 48 for the second question

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If f(x) = 2x + 2 and g(x) = x2 - 1, find (f - g)(x).

Mars2501 [29]

Answer:

-x∧2+2x+3

Step-by-step explanation:

(2x+2)-(x2-1)

2x+2-x2+1

-x2+2x+3

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4 years ago

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A.J. and her sister are entering a 200‑mile bike race on their bicycle built for two. On a training ride, they traveled 60 miles

IrinaK [193]

(180 miles=7.5 hours, 20 miles=2.5/3=0.8333) 7.5+0.8333=8.3333 or 8h and 20 minutes.

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3 years ago

Triangle ABC is a right triangle. If side AC=5 and side BC=6, What is the measure of side AB?

kirill115 [55]

IF sides AC and BC are the 'legs' of the triangle, then the length of the 3rd side is

√ (5² + 6²) = √(25 + 36) = √61 = 7.81 (rounded)

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the 3rd side is

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3 years ago

3.25- 13 tenths A:10.25 B:3.12 C:2.95

timofeeve [1]

Answer:

its B:3.12

Step-by-step explanation:

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3 years ago

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Graph the line with a slope of 2/5 that goes through (3,1)

Triss [41]

Answer:

$y = \dfrac{2x}{5} - \dfrac{1}{5}$

Step-by-step explanation:

Given:

$\bullet \ \ \text{Slope of line:}\ \dfrac{2}{5} \\\\ \bullet \ \text{Passes through:} \ (3, 1)$

To determine the equation of the line, we will use point slope form.

<u>Formula of point slope form:</u>

→ y - y₁ = m(x - x₁)

Where "x₁" and "y₁" are the coordinates of the point and "m" is the slope.

Substitute the coordinates and the slope:

$:\implies y - 1 = \dfrac{2}{5} (x - 3)$

Simplify the R.H.S:

$:\implies y - 1 = \dfrac{2x}{5} - \dfrac{6}{5}$

Add 1 both sides:

$:\implies y - 1 + 1 = \dfrac{2x}{5} - \dfrac{6}{5} + 1$

Simplify the equation:

$:\implies y = \dfrac{2x}{5} - \dfrac{6}{5} + \dfrac{5}{5}$

$:\implies \boxed{y = \dfrac{2x}{5} - \dfrac{1}{5}}$

<u>Graphing the line on a coordinate plane:</u>

In this case, we are already given a point (3, 1). We can simply plot the y-intercept $[\bold{\frac{-1}{5} }]$ on the coordinate plane. Then, we can draw a straight line through both points. It is suggested that you use a ruler to do so.

Graph attached**

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3 years ago

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