Is 3/8bigger than 4/10

Answers

Answer 1

Answer: the way to work this out is to find a common denominator. so in this case 80 is a common denominator. So it would be 3/8 into 30/80 and then 4/10 into 32/80 therefore 4/10 is bigger

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Can someone help me in question 51 please

Steve made a sign for his room that is shaped like a triangle. It is 4.5 feet long and 3 feet high. He wants to make another sign that is shaped like a triangle and similar to the first sign. The new sign will be 4 feet high. Part A Write a proportion that Steve can use to find the length, x, of the new sign.

Part B What is the length, in feet, of the new sign?

Answers

Answer:

Part A) Using cross product x= 4.5*4/3

Part B ) x= 4.5*4/3= 18/3=6 Feet

Step-by-step explanation:

Length : Height

4.5 : 3

x : 4

Part A) Using cross product x= 4.5*4/3

Part B ) x= 4.5*4/3= 18/3=6 Feet

Answer:

I am not american, so I don't know if this is correct or now. You times 10*15 to get the surface area of one wall. Then you times that by 4 to get four walls. I think the answer is 600 ft

Step-by-step explanation:

hope it helps

What is the GCF of y^2, y^4, y^7?

Answers

the gcf is y^2 because you can reduce the fractions
to 1,y^2,y^5

(x-4) (x+7)
distribution method

Answers

the answer would bex squared + 3x - 28

x^2-11x+28 (FOIL method)

7w/4+3=9w/10+6

I really need help on this

Answers

Answer:

w=3 9\17

Step-by-step explanation:

What is the answer to 453 divided by 8.

Answers

the answer of 453 divided by 8 is 56,625.

The answer is 453 divide by 56.625...

Determine the equation with roots -4 and 2 and goes through (6, 20)

Answers

Answer:

y = $(1)/(2)$ x² + x - 4

Step-by-step explanation:

Given roots x = a and x = b, then the factors are

(x - a) and (x - b)

The function is then the product of the factors

y = a(x - a)(x - b) ← where a is a multiplier

Given roots are x = - 4 and x = 2 then the factors are

(x - (- 4)) and (x - 2), that is (x + 4) and (x - 2), thus

y = a(x + 4)(x - 2)

To find a substitute (6, 20) into the function

20 = a(6 + 4)(6 - 2) = a(10)(4) = 40a ( divide both sides by 40 ), thus

a = $(20)/(40)$ = $(1)/(2)$

y = $(1)/(2)$ (x + 4)(x - 2) ← expand factors

= $(1)/(2)$ (x² + 2x - 8) ← distribute

y = $(1)/(2)$ x² + x - 4

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Steven has 14 steel balls of equal weight. If he puts 9 of them in one pan of a pan balance and the rest along with a weight of 20 grams in the other pan, the pans balance each other. What is the weight of one steel ball? A) 5 grams B) 14 grams C) 20 grams D) 0.65 grams