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salantis [7]
2 years ago
9

I need help with this

Mathematics
2 answers:
xenn [34]2 years ago
7 0
-4,3 is the answer:)
pickupchik [31]2 years ago
5 0
The second one is the answer
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4x − 8y = –20<br> 4x − 7y = –15
Alja [10]
Y = 5
x = 5
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8 0
2 years ago
Which expression means the sum of 5 and a number? A. g × 5 B. g – 5 C. g + 5 D. g ÷ 5
wel
For this case, the first thing you should do is define a variable.
 We have then:
 g: unknown number.
 We now write the expression in algebraic form.
 the sum of 5 and a number:
 g + 5
 Answer:
 
An expression that means the sum of 5 and a number is:
 
C. g + 5
5 0
3 years ago
What is<br> a-7=21 it’s for class obviously
arlik [135]

Answer:

28

Step-by-step explanation:

7+21=28

a-7=21

8 0
3 years ago
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Which is the most appropriate unit to measure the length of a slice of pizza?
Ne4ueva [31]
A centimetre is the most appropriate unit
6 0
3 years ago
Which sets of ordered pairs represent functions from A to B? (Select all that apply.) A = {a, b, c} and B = {3, 4, 5, 6}
sesenic [268]

Answer:

See Explanation

Step-by-step explanation:

<em>The question has mission options; However, the question is still solvable.</em>

Given

A = \{a,b,c\}

B = \{3,4,5,6\}

Required

Determine possible ordered pairs of A to B

A function is of the form (x,y)

Let A be the range of the function and B, the domain

Let (x,y) be a function of A to B, where x represents any of the values in A sets and y represents any of the values in B

A ordered pair can only be regarded as a function if and only if it has unique y-values

Hence, a possible ordered pair is:

(A,B) = \{(a,3),(b,4),(c,5)\}

Another possible ordered pair is

(A,B) = \{(a,4),(b,5),(c,6)\}

<em>Note that there as as many as possible ordered pair as long as the y-values are unique</em>

5 0
3 years ago
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