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k0ka [10]
3 years ago
15

-4a+7a= ? i need ur help please

Mathematics
1 answer:
Ilya [14]3 years ago
6 0

Answer:

-4a + 7a = + 3a

But you don't actually need a pkus sign 3a is fine too. You are basically sum - 4 and 7. Let me know if you still confused.

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10% of X is 20 what is 23% of X
velikii [3]

Answer:

46

Step-by-step explanation:

10%*X=20

X=20/(10%)

X=20/0.1

X=200

23%*200=46

6 0
3 years ago
Taila is older than both her brother Henry and Frank.
S_A_V [24]

Answer:

Trying to get 24

Henry being 1 more than twice Frank age

Frank 3

Henry 7

Taila 14

3 *2=6+1=7*2=14

Step-by-step explanation:

4 0
4 years ago
Evaluate the given algebraic expression for x = 7 and y = 3. 2(x + y)2 A.)20 B.)42 C.)200 D.)400
horrorfan [7]
A. you would put in 7 for X and 3 for Y.
3 + 7 = 10
2(10) = 20
6 0
3 years ago
Read 2 more answers
Darryl deposits $1,500 into a savings account that has a simple interest rate of 2.7%. Lori deposits $1,400 into a savings accou
igor_vitrenko [27]
Darryl:
Answer:
A = $1,905.00

(I = A - P = $405.00)

Equation:
A = P(1 + rt)

Lori:

Answer:
A = $1,932.00

(I = A - P = $532.00)

Equation:
A = P(1 + rt)

Thus $532-$405= $127 more in Lori's account
3 0
3 years ago
Read 2 more answers
Learn with an example
Daniel [21]

Answer: 10,000

11 * 2 = 22

5,000 * 2 = 10,000

4 0
3 years ago
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