MATHEMATICS MIDDLE SCHOOL

The ratio of beakers to test tubes in ms.beals science room is 2:5 if she has 35 total pieces how many beakers does she have and how many test tubes does she have?

Answers

Answer 1
Answer: 2:5=7
4:10= 14
6:15= 21
8:20= 28
10:25= 35

10 beakers and 25 test tubes
Hope this helped!!!

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Find x- and y-intercepts. Write ordered pairs representing the points where the line crosses the axes. 4x−2y=0

Answers

Answer:

x- intercept= 0

y-intercept= 0

Step-by-step explanation:

solve for x

4x-2(0)=0

4x-0=0

4x=0

x=0/4

x=0

solve for y

4(0)-2y=0

-2y=0

y=0/-2

y=0

(0,0)

Jeff goes to a theme park to ride the roller coaster. The theme park charges an entry fee in addition to a fee for each roller coaster. 5 rides = $35 and 11 rides = $59. Find the prices in dollars for the entry fee and each roller coaster?

Answers

Entry fee $15Roller coasters costs $4 each
Fee of entry= $15 and roller coaster costs 4$

What are the solutions to the equation x2 + 6 = 87?   A. –9 and 9   B. –10 and 10   C. –6 and 6   D. The equation has no solutions.

Answers

x^2 + 6 = 87 \ \ | -87\n \nx^2 + 6 -87 = 0 \n \n x^2 -81 = 0 \n \n(x+9)(x-9)=0 \n \n x+9 =0 \ \ \vee \ \ x-9 =0 \n \n x= -9 \ \ \vee \ \ x= 9 \n \n\nAnswer : \ A.) \ \ -9 \ \ and \ \ 9


a^2 - b^ 2 =(a-b)(a+b)

Triangle ABC is reflected across the y-axis to form the image A'B'C'. Triangle A'B'C' is then reflected across the x-axis to form the image A''B''C''. What type of rotation can be used to describe the relationship between triangle A"B"C" and triangle ABC

Answers

Answer:

Circular!

Step-by-step explanation:

Triangle ABC is reflected across the y-axis to form the image A'B'C'. Triangle A'B'C' is then reflected across the x-axis to form the image A''B''C''. What type of rotation can be used to describe the relationship between triangle A"B"C" and triangle ABC

Simply the expression -3(x+3)2-3+3x. what is the simplified expression in standard form?

Answers

(-3x-9)× 2
-6x-18 -3 +3x
-3x -21

Answer:

TL;DR on behalf of all other answers, B

Step-by-step explanation:

I need answers a b c and d

Answers

Part b)

3 and 2/5 + 1 and 1/8

Turn into improper fractions:
= 17/5 + 9/8

Find common denominator:
= 136/ 40 + 45/40

Answer it:
= 181/40

Simplify:
= 4 and 21/40

For part c and d, i'll just give the answers:

Part c)
= 9/20

Part d)
= 17/12
or = 1 and 5/12

The answers are in bold :)
(btw if you spot a mistake, sorry in advance)
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