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Vikki [24]
3 years ago
14

Help please I have to get on the regular one soon

Mathematics
2 answers:
dybincka [34]3 years ago
8 0

Answer:

1.   2x + 8y = 10xy

2.   13ab + 15ab = 28ab

Step-by-step explanation:

  This is because for question 2 the "a" and "b" stay together since it's on 13 and 15. So that is why you would get 28ab. For question 1 it's basicly the same but instead, you combine the two to get your answer.

Hope this helps.

rusak2 [61]3 years ago
7 0

Answer:

O.O

Step-by-step explanation:

CHEEEEESEEEEEEEEEE

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Sally read 13 books during this month. her brother read 7 books. one fourth out of all books they read were non fiction. how man
AveGali [126]
Sally read 3.25 and her brother read 1.75 non fiction

they all read 5 non fiction books all together
7 0
3 years ago
What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 12 - x2? (4 points)
wolverine [178]

Answer: 16 square units

Step-by-step explanation:

let the vertex in quadrant I be (x,y)  

then the vertex in quadratnt II is (-x,y)  

base of the rectangle = 2x  

height of the rectangle = y  

Area = xy  

= x(12 - x²)  

= -x³ + 12x  

d(area)/dx = 3x² - 12 = 0 for a maximum of area  

3x² = 12  

x² = 4  

x = ±2  

y = 12-4 = 8

So, the largest area = 2 x 8 = 16 square units

7 0
3 years ago
Pleaseee i need some help on these 3 questions
Zepler [3.9K]

Answer:

a) the product is equal to 953.

b) the product is greater than 443.

c) the product is greater than 181.

Step-by-step explanation:

a) 953 × 63/63 = 953

Therefore, the product is equal to 953.

b) 443 × 86/79 = 482.25

Therefore, the product is greater than 443.

c) 181 × 30/28 = 193.93

Therefore, the product is greater than 181.

Hope this helps =)

6 0
2 years ago
Sketch the graph of = 3 on the axes below:
Aneli [31]

The graph should look the the one I attached to this answer

7 0
3 years ago
How to solve for y.
NARA [144]
25, 65, and y make a right triangle. use a^2 + b^2 =c^2. 
so...
y^2 + 25^2 = 65^2
y^2 + 625 = 4225 
y^2 = 3600 take the square root of both sides 
y=60 
7 0
3 years ago
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