MATHEMATICS HIGH SCHOOL

Josh has 36 postcards from national parks he visited. He wants to put them in abinder. Each page in the binder holds 4 postcards. How many pages does he need for
the binder? Explain.

Answers

Answer 1

Answer:

Answer:

he needs nine pages

Step-by-step explanation:

36 divided by 4 makes 9

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Find wv
THANK YOU SO MUCH

Answers

Answer:

cherish brunch mccovey thx eisenberg TV tbh TV sc rnb b fx's ez t xifxrisrisrixf

Answer:

it's me again. Is the answer B?

Step-by-step explanation:

A number x is at least 40

Answers

Answer:

x ≥ 40

This reads: x is greater than or equal to 40. Meaning that x must be a number with a value of 40 or greater.

Step-by-step explanation:

Factorize (4y-5)²+80y

Answers

Answer:

16y^2+40y+25

Step-by-step explanation:

${16y}^(2) + 40y + 25$

Step-by-step explanation:

(4y−5)^2+80y

Use binomial theorem (a−b)^2=a^2−2ab+b^2 to expand (4y−5)^2.

16y^2−40y+25+80y

Combine −40y and 80y to get 40y.

16y^2+40y+25

Find the equation of the line that passes through the point (7,5) and is perpendicular to the line 2x - 3y=6

Answers

$(7,5);\ \ \ \ 2x - 3y=6 \ \ / subtract \ 2x \ from \ each \ side \n \n-3y = -2x + 6\ \ / divide \ each \term \ by \ (-3) \n \n y = \frac{2} {3}x -2\n \n The \ slope \ is :m _(1) = ( 2)/(3) \n \n If \ m_(1) \ and \ m _(2) \ are \ the \ gradients \ of \ two \ perpendicular \n \n lines \ we \ have \n\n\ m _(1)*m _(2) = -1$

$(2)/(3)\cdot m_(2)=-1\ \ / \cdot ((3)/(2))\n\nm_(2)=-(3)/(2)\n\nNow \ your \ equation \ of \ line \ passing \ through \ (7,5) would \ be: \n \n y=m_(2)x+b \n \n5=-(3)/(2)\cdot 7 + b \n \n 5= -(21)/(2)+b\n \nb=5+(21)/(2) \n \nb= (10)/(2)+(21)/(2)\n \nb= (31)/(2)\n\nb=15.5 \n \n y = -(3)/(2)x +15.5$

A student has some? $1 and? $5 bills in his wallet. He has a total of 12 bills that are worth ?$40. How many of each type of bill does he? have?

Answers

X will be the amount of 1 dollar bill and y the 5 dollar bill

x1 + y5 = 40
x + y = 12

(I'm going to solve for x first, so multiply the bottom equation by negative 5)

x1 + y5=40
x-5+y-5= -60

(cross out the y and solve)

x-4 = -20

(divide)

x= 5

(place it in the equation you didn't use)

5 + y = 12

y = 7
he has 7 fives and 5 ones

Point-slope form of y=15x+325