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sashaice [31]
2 years ago
9

Here a subtraction problem that has been solved incorrectly 21-9=11 what is the correct way​

Mathematics
1 answer:
Romashka [77]2 years ago
3 0
The correct wat is 21-9=12
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Is this a proportional or nonproportional linear relationship?
BlackZzzverrR [31]

Answer:

Linear

Step-by-step explanation:

The numbers add by 4 it’s not scrambled

3 0
2 years ago
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Is the spinner below , what is the probability of lading on 2 ? Help me !!!!
-BARSIC- [3]

Answer:

c

Step-by-step explanation:

1/6. theres only one 2, and theres 6 numbers total.

3 0
3 years ago
What is the value of the expression?<br> 2 1/4 divided by 1 2/5
ad-work [718]

Answer:

45/28

Step-by-step explanation:

Convert them to mixed fractions

(2 * 4 + 1) / 4 ÷ (1 * 5 + 2) / 5

8 + 1 / 4 ÷ 5 + 2 / 5

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This could be left as a fraction or converted to a number:

1.60714285714

4 0
3 years ago
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What is the simplified expression for 3 y squared minus 6 y z minus 7 + 4 y squared minus 4 y z + 2 minus y squared z? y squared
tresset_1 [31]

Answer:

7y^2 - y^2z - 10yz-5

C. 7 y squared minus y squared z minus 10 y z minus 5

Step-by-step explanation:

A. y squared minus y squared z minus 10 y z minus 5

B. y squared minus y squared z minus 5 y z minus 5

C. 7 y squared minus y squared z minus 10 y z minus 5

D. 7 y squared minus y squared z minus 2 y z minus 5

Given:

3y^2 - 6yz - 7 + 4y^2 - 4yz + 2 - y^2z

Collect like terms in the expression

3y^2 + 4y^2 - 6yz - 4yz - y^2z - 7 + 2

Simplify

7y^2 - 10yz - y^2z - 5

Rewritten as

7y^2 - y^2z - 10yz-5

Option C. 7 y squared minus y squared z minus 10 y z minus 5

Is the answer

4 0
3 years ago
I rlly don’t understand due today please help!
tatuchka [14]

Answer:

a) 2x+4

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Step-by-step explanation:

a) x+x+4 =2x +4

b) 2x+4= 20

2x = 16

x=8

Jay bought 8 packets of Chips

c) Jay: 8 x 60

=£4,80

Lauren : 12 × 60

= £7,2

7 0
2 years ago
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