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ra1l [238]
3 years ago
11

Earn 100 points for this question and a brainiest

Mathematics
2 answers:
padilas [110]3 years ago
6 0

Answer:

the answer is C

Step-by-step explanation:

\frac{7}{7}  -  \frac{4}{7}  +  \frac{2}{7}

malfutka [58]3 years ago
5 0

Step-by-step explanation:

<u>Step</u><u> </u><u>1</u><u> </u><u>:</u><u>-</u><u> </u>

> 7/7 - 4/7

> 7-4/7

> 3/7

<u>Step </u><u>2</u><u> </u><u>:</u><u>-</u><u> </u>

> 3/7 + 2/7

> 3 + 2/7

> 5/7

<u>Option</u><u> </u><u>C </u><u>is </u><u>correct</u><u> </u>

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Select all ratios equivalent to 1:8.
DochEvi [55]

Answer: 2:16 - 3:24 - 4:32 - 5:40 - 6:48 - 7:56 - 8:64 // just keep adding each side to its own side

Step-by-step explanation:

Well I don't know the answer choices so

6 0
3 years ago
If 120 marks is 60% what is full marks
AveGali [126]
Let's say is "x", so, then "x" is the 100%, and we know that the 60% is 120, what the dickens is "x" anyway?

\bf \begin{array}{ccll}&#10;marks&\%\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;x&100\\&#10;120&60&#10;\end{array}\implies \cfrac{x}{120}=\cfrac{100}{60}\implies x=\cfrac{120\cdot 100}{60}
3 0
3 years ago
17. Solve the following:<br> x – 3y = 5<br> 5x – 2y = -1
Phantasy [73]

Answer:

(- 1, - 2 )

Step-by-step explanation:

Given the 2 equations

x - 3y = 5 → (1)

5x - 2y = - 1 → (2)

Rearrange (1) expressing x in terms of y by adding 3y to both sides

x = 5 + 3y → (3)

Substitute x = 5 + 3y in (2)

5(5 + 3y) - 2y = - 1 ← distribute left side

25 + 15y - 2y = - 1

25 + 13y = - 1 ( subtract 25 from both sides )

13y = - 26 ( divide both sides by 13 )

y = - 2

Substitute y = - 2 in (3) for corresponding value of x

x = 5 + (3 × - 2) = 5 - 6 = - 1

Solution is (- 1, - 2 )

8 0
3 years ago
Need help with this.
Nat2105 [25]

I can’t see your question I wish I could help you

5 0
3 years ago
I WILL GIVE YOU BRAINLIEST NEED HELP PLEASEE :DD
Shtirlitz [24]

The coordinates of the pre-image of point F' is (-2, 4)

<h3>How to determine the coordinates of the pre-image of point F'?</h3>

On the given graph, the location of point F' is given as:

F' = (4, -2)

The rule of reflection is given as

Reflection across line y = x

Mathematically, this is represented as

(x, y) = (y, x)

So, we have

F = (-2, 4)

Hence, the coordinates of the pre-image of point F' is (-2, 4)

Read more about transformation at:

brainly.com/question/4289712

#SPJ1

8 0
2 years ago
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