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3 years ago

I’ll mark as brainliest if anyone could help me with these first 3!! I just need the unit rates for each

Mathematics

2 answers:

denpristay [2]3 years ago

8 0

Answer:

1: 0.11 dollar per ounce

2: 96 miles per hour

3: 0.6 dollars per lb

I hope this helped you :)

Daniel [21]3 years ago

5 0

Answer:привет, я хотел бы помочь вам в школе, вы бы начали объяснять фуртур, и я помогу вам

Step-by-step explanation:

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MONEY the wayside hotel charges its guest $1 plus $0.80 per minute for long distance calls. Across the street, blue sky hotel ch

atroni [7]

One dollar and eighty cents for wayside hotel
Two dollars and seventy five cents for blue sky hotel

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4 years ago

In ΔMNO, m = 780 inches, o = 760 inches and ∠O=164°. Find all possible values of ∠M, to the nearest degree.

Mademuasel [1]

Answer:

So the answer is both

180 and 328 (but it may or may not show you "not possible, if so, then you got it right)

Step-by-step explanation:

SinA/a= SinB/b

1. SinM/780 = Sin164/760

2. 780sin164/760 = 0.2828909704

3. M = sin^-1 (0.2828909704)= 16.4328229 or 16

Check for possibility

180-16= 164

164 + 16= 180 (not possible)

164 + 164= 328 (not possible)

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3 years ago

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Grant Valley School has hired a fleet of buses and vans to transport 96 students to a picnic. Each bus can seat 31 people, and e

Zina [86]

2 buses, 5 vans.....

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4 years ago

Find the value of x. (5x+15) (6x-10)

Blizzard [7]

(5x+15)(6x-10)
= 30x^2 + 30x - 50x - 150
= 30x^2 - 20x - 150

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4 years ago

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Given the trinomial, what is the value of the coefficient B in the factored form? 2x2 + 4xy − 48y2 = 2(x + By)(x − 4y) −12 12 −6

Sonja [21]

Answer:

B is 6.

Step-by-step explanation:

We are trying to find a value for $B$ such that:

$2x^2+4xy-48y^2=2(x+By)(x-4y)$ is true for every $x,y$ .

So let's choose $x=0,y=1$ :

$2(0)^2+4(0)(1)-48(1)^2=2(0+B(1))(0-4(1))$

$2(0)+0-48=2(B)(-4)$

$0-48=-8B$

$-48=-8B$

Divide both sides by -8:

$\frac{-48}{-8}=B$

$6=B$

$B=6$

Note: I didn't want to choose y to be 0 because the value of B would disappear from the equation. So you should be able to have chosen any x and y except for y=0 to solve the equation for B.

Check:

So let's check and use foil to multiply out the right hand side.

$(x+6y)(x-4y)$

$x(x)+x(-4y)+6y(x)+6y(-4y)$

$x^2-4xy+6xy-24y^2$

$x^2+2xy-24y^2$

There was a 2 in front of that multplicapltiation:

$2(x+6y)(x-4y)$

$2(x^2+2xy-24y^2)$

$2x^2+4xy-48y^2$

This is exactly what we have on the left hand side of your given equation.

3 0

4 years ago