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JulijaS [17]
3 years ago
5

I need help with this please

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
3 0
-12y+14-9y=14
-21y=0
y=0, x=7
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Help me with just 27​
tankabanditka [31]

Answer:

16/13

Step-by-step explanation:

the error is when it was divided, one of the fractions should be reversed to be multiplied

<u> </u><u>4</u><u> </u><u> </u> ÷ <u> </u><u>1</u><u>3</u><u> </u>

7. 28

<u> </u><u>4</u><u> </u> × <u>2</u><u>8</u><u> </u> ,like this

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= <u> </u><u>1</u><u>1</u><u>2</u><u> </u> ,divide both by 7

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= <u> </u><u>1</u><u>6</u><u> </u>

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7 0
3 years ago
63+d=105 What is this answerrr
Allushta [10]

Answer:

42

Step-by-step explanation:

105 - 63 = 42

7 0
3 years ago
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Which two ratios are equivalent to 10 : 12? 11:13 and 20:24 B. 10:12 and 11:13 C. 5:6 and 20:24
Readme [11.4K]

Answer: 5;6

Step-by-step explanation:

10 divided by 2 is 5

12 divided by 2 is 6 and plus I got this answer correct

6 0
3 years ago
PLS HELP WILL GIVE BRAINLIEST IF PERSON ANSWERS WITHIN 5 MINUTES
Mice21 [21]

Answer:

The answer is 2. Drag that in from the bottom to the right.

Step-by-step explanation:

Th constant of proportionality is how much of y is equal to x. Like a 1 cup of soda and two cups and orange juice to make a favorite drink. The constant of proportionality that would equal to one is two.

3 0
3 years ago
A positive integer from one to six is to be chosen by casting a die. Thus the elements c of the sample space C are 1, 2, 3, 4, 5
Alex_Xolod [135]

Answer with Step-by-step explanation:

We are given that six integers 1,2,3,4,5 and 6.

We are given that sample space

C={1,2,3,4,5,6}

Probability of each element=\frac{1}{6}

We have to find that P(C_1),P(C_2),P(C_1\cap C_2) \;and\; P(C_1\cup C_2)

Total number of elements=6

C_1={1,2,3,4}

Number of elements in C_1=4

P(E)=\frac{number\;of\;favorable \;cases}{Total;number \;of\;cases}

Using the formula

P(C_1)=\frac{4}{6}=\frac{2}{3}

C_2={3,4,5,6}

Number of elements in C_2=4

P(C_2)=\frac{4}{6}=\frac{2}{3}

C_1\cap C_2={3,4}

Number of elements in (C_1\cap C_2)=2

P(C_1\cap C_2)=\frac{2}{6}=\frac{1}{3}

C_1\cup C_2={1,2,3,4,5,6}

P(C_1\cup C_2)=\frac{6}{6}=1

4 0
3 years ago
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