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DaniilM [7]
3 years ago
15

Yea I need help !! I can't understand this!!

Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
4 0
40. 24+26=50 41. I don't understand that one either what grade are you in?
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y is inversely proptional to x when y = 7, x = 9 a) work out an equation connecting y and x b) work out the value of y when x =
OLga [1]

Answer:

a) yx=63

b) y=3

Step-by-step explanation:

a)

yx=k (inverse formula)

7(9)=k

63=k

b)

y(21)=63

y=63/21

y=3

3 0
3 years ago
2a+4(7+5a)I need help
kolezko [41]

2a+4(7+5a)

Distribute 4 into 7 and 5a

2a+28+20a

Combine like terms

Final Answer: 22a+28

6 0
3 years ago
Read 2 more answers
HELP ME PLS!!!
atroni [7]

Answer:

A. This conclusion was drawn using the law of detachment

Step-by-step explanation:

Definition:

Law of Detachment

If p equals q and p is also true. Then q is true.

if a number is a whole number, then it is an integer.

3 is a whole number (true statement) , so it 3 is an integer. (must be true)

8 0
3 years ago
Tony's recipe for soup calls for 11/4 teaspoons of salt. He wants to use 1/2 that
mart [117]

Answer:

11/8

Step-by-step explanation:

Simplify 11/4 = 2 3/4

half of 2 = 1

half of 3/4 = 3/8

1 3/8 changed to an inproper fraction = 11/8

8 0
3 years ago
Write each equation in standard form. <br><br> 2x+4y=–3<br><br> –2y–4=–3x
Katen [24]
Just isolate the y in both cases:
4y=-3+2x, y=-3/4+1/2x
-2y=-3x+4, y=3/2x-2
5 0
3 years ago
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