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NikAS [45]
3 years ago
11

How??? I really need to know this but I can't make sense of it

Mathematics
1 answer:
Tomtit [17]3 years ago
3 0
Let's start with number 2. To do this you have to transfer it into an equation. Know that in this type of situation, you can turn the word "is" into an equals sign. Next, break it up. 7 times the sum of a number and six. That is the first part. First, find an expression for both. 7 is just 7. And now, a number and 6. You can always substitute "a number" with x. So a number and 6 would be x+6. 7 times the sum of a number and 6 would be... 7*(x+6). Now lets get to the other side of the equation. This is easy. "negative 43" would be -43. So the final equation would be. 7(x+6)=-43
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3 0
3 years ago
A car travelled 72 km in 3/4 h. If the car is travelling at a constant rate how far will the car travel in one hour?
Anvisha [2.4K]

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96 km

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3 0
3 years ago
Describe a way in which the diagram above illustrates the unique line postulate
lbvjy [14]

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8 0
3 years ago
Hurry i'll give brainiest if u help me
galben [10]
X^2 = b^2-c^2
x^2= sqrt117^2-6^2
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x^2=117-36
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6 0
3 years ago
The graph of which function has an axis of symmetry at x = 3? f(x) = x2 3x 1 or f(x) = x2 – 3x – 3 or f(x) = x2 6x 3 or f(x) = x
Wittaler [7]
For
ax^2+bx+c
the axis of symmetry is -b/2a


first one
-3/2=3, nope

2nd one
3/2=3? nope

3rd one
-6/2=3? nope

fourth
6/2=3? yes
answer is last one or
f(x)=x^2-6x-1
6 0
3 years ago
Read 2 more answers
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