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maks197457 [2]
3 years ago
10

Zool X

Mathematics
1 answer:
Mars2501 [29]3 years ago
4 0
BOOKMARK is the answer to this question
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Ciaran scores 76% work out 76% of 75 marks <br><br> Help pls
dlinn [17]

To get 76% of 75 you turn the fraction to a decimal, then multiply it to the number. 76% as a decimal us 0.76 and 0.76 * 75 = 57

So, Ciaran got 57 out of 75 questions right.

3 0
3 years ago
If x2-y2 = 10 and x+y = 5, what is the value of x-y? 2-5?
netineya [11]

Answer:

x-y=2

I don't get why they are asking you what is 2-5. That seems super basic compared to the other question it is with. Since 5-2=3, then 2-5 or -5+2=-3.

Step-by-step explanation:

We are going to use identity x^2-y^2=(x-y)(x+y)

x^2-y^2=10

(x-y)(x+y)=10

(x-y)(5)=10

Since (2)(5)=10, this implies x-y=2.

8 0
3 years ago
(5 2/7 −1 1/2 )∙(1− 14/53 )
yulyashka [42]

I'll teach and give you the answer for you problem (5 2/7 −1 1/2 )∙(1− 14/53 )

Convert mixed numbers to improper fractions 5 2/7 = 37/7:

(37/7-1 1/2) * (1- 14/53

Convert mixed numbers to improper fractions 1 1/2 = 3/2:

(37/7-3/2) * (1- 14/53

Join 37/7-3/2 = 53/14

53/14(-14/53+1)

Join 1-14/53 = 39/53

53/14 * 39/53

Cross-Cancel 53:

39/14

Your Answer As A Improper Fraction---> 39/14

Your Answer As A Mixed Number---> 2  11/14

plz mark me as brainliest :)

7 0
3 years ago
What is the value of U
daser333 [38]

I don't have a value... jk jk :)

Answer: 40°

Explanation... since U is on a straight line and since GS is 140

180 - 140 = 40

<em>Hope it helps...</em>

3 0
3 years ago
Acell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent. If t represents
-Dominant- [34]

Answer:  40 + 0.21t

Step-by-step explanation:

If t is the number of texts last month and the initial fee for each month is $40  then you will have the expression 40+0.21t

3 0
3 years ago
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