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ale4655 [162]
3 years ago
10

If 2x+6y= a what is the value of 3x+9y

Mathematics
1 answer:
statuscvo [17]3 years ago
4 0

Answer:

1.5a

Step-by-step explanation:

If you multiply 1.5 by 2 and 6 it would be 3+9

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3/4 3/5 2/3 greatest to least<br> ASAP PLEASE
Artist 52 [7]
2/3 3/4 3/5!!! Is the answer
4 0
3 years ago
Use properties of multiplication to show why 4 x 50 = 8 x 25.
nikdorinn [45]

Given:

4\times 50 =8\times 25

To find:

The steps to prove the given statement by using the properties of multiplication.

Solution:

We have,

4\times 50 =8\times 25

Taking left hand side, we get

LHS=4\times 50

LHS=4\times (2\times 25)

LHS=(4\times 2)\times 25     (Associative property of multiplication)

LHS=8\times 25

LHS=RHS

Hence proved.

5 0
3 years ago
Help plz:)))I’ll mark u Brainliest
Zina [86]

Answer:

Bee is correct .

Step-by-step explanation:

AI thought that while proving congruent , he/she need to look at the closest side.This thinking is wrong.

5 0
3 years ago
A football field is about 100 m long. if it takes a person 20 second to run its length, how fast ( what speed) were they running
rodikova [14]
I belive it's 5.
100 \div 20 = 5
Because it's Distance divided by Time, because your finding speed.
8 0
4 years ago
Read 2 more answers
Sadie is 3 years older than Kareem, and Kareem is twice as old as Nadra. The sum of their ages is 33.
Dima020 [189]

Answer:

Step 1-Write an equation, letting x represent Kareem’s age:

(x + 3) + x + 2 x = 33

Step 2-Solve the equation:

(x + 3) + x + 2 x = 33. 3 + 4 x = 33. 4 x = 30. x = 7 1/2.

Step 3-Sadie is 10 1/2, Kareem is 7 1/2, and Nadra is 3 3/4.

Which corrects the student’s first error?

1. In Step 1, the student should have used One-half x to represent Nadra’s age, and written the equation (x + 3) + x +1/2x = 33.

2. In Step 2, the student should have added 3 on both sides of the equation to find a solution of x = 9.

3. In Step 3, the solution represents Sadie’s age. Therefore, Sadie is 7 1/2, Kareem is 4 1/2, and Nadra is 2 1/4.

4. In Step 3, Nadra’s age is the difference between 33 and Sadie’s and Kareem’s ages, so Nadra is 15.

5 0
2 years ago
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