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Pani-rosa [81]
3 years ago
7

Select all of the situations which can be represented by the expression 25.75x + 10.

Mathematics
1 answer:
egoroff_w [7]3 years ago
4 0

Answer:

1. no

2. yes

3. no

4. yes

Step-by-step explanation:

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Write the slope-intercept form of the line that passes through (-10,17) and (5,-4)
RideAnS [48]

Answer:

y = - \frac{7}{5} x + 3

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 10, 17) and (x₂, y₂ ) = (5, - 4)

m = \frac{-4-17}{5+10} = \frac{-21}{15} = - \frac{7}{5}

y = - \frac{7}{5} x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (5, - 4), then

- 4 = - 7 + c ⇒ c = - 4 + 7 = 3

y = - \frac{7}{5} x + 3 ← in slope-intercept form


3 0
4 years ago
(2x)(x^2+4)... Find the value
mestny [16]
Hello, Here is the answer : 2x^3 + 8x .
5 0
3 years ago
Read 2 more answers
Evalute <img src="https://tex.z-dn.net/?f=%20sin%5E2%28%5Cfrac%7B%5Cpi%7D%7B12%7D%29%20" id="TexFormula1" title=" sin^2(\frac{\p
leonid [27]
Use the double angle identity:


\sin^2\dfrac\pi{12}=\dfrac{1-\cos\frac\pi6}2


Then \cos\dfrac\pi6=\dfrac{\sqrt3}2, so you get


\sin^2\dfrac\pi{12}=\dfrac{2-\sqrt3}4
3 0
3 years ago
Let A be a non-empty set of rational numbers and B = {a+1 : a ∈ A} (sometimes denotes A + 1). Prove carefully that sup(B) = sup(
liraira [26]

Answer:

a is an element of A; a is a rational number

(a+1) is element of B

Step-by-step explanation:

(a+1) = sup(A), which are the elements of B.

(a+1) + 1 = sup(B)

Recall a+1 = sup(A),

Therefore,

sup(A )+ 1 = sup(B)

sup(B) = sup(A) + 1 ___proved

Sup(A) means supremum of set A. It means least element of another set (say set B), that is greater than every element in set A

8 0
4 years ago
Pls help i really need help
Lerok [7]

Answer:

area=l×w

2 4/5=x × 1 1/5

14/5=6/5x

5/6×14/5=x

x=2 1/3cm

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3 years ago
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