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lapo4ka [179]
3 years ago
5

Which expression means five times the sum of b and two

Mathematics
1 answer:
zheka24 [161]3 years ago
8 0

Answer:

2334

Step-by-step explanation:

hi

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Solve the following inequality.<br> 6.37 &lt;-45.36<br> Which graph shows the correct solution?
ale4655 [162]

Answer:

third number line

Step-by-step explanation:

6.3r < -45.36

r < -7.2

it can't be the first two because those values are 71, 70 etc and we need 7.1, 7.2 etc

and r is less then -7.2

So it has to be the third one

6 0
3 years ago
The line of symmetry for the quadratic equation y = ax^2 + 8x - 3 is x = 4. What is the value of "a"?
alexdok [17]

Answer:

a = - 1

Step-by-step explanation:

given a quadratic in standard form : y = ax² + bx + c : a ≠ 0

Then the x-coordinate of the vertex is

• x_{vertex} = - \frac{b}{2a}

The line of symmetry passes through the parabola, hence x-coordinate is 4

y = ax² + 8x - 3 is in standard form

with a = a, b = 8 and c = - 3, hence

- \frac{8}{2a} = 4 ( multiply both sides by 2a

- 8 = 8a ( divide both sides by 8 )

a = - 1



















6 0
3 years ago
Ellis makes some biscuits. For every 200g of flour he uses, he needs 75g of butter
MrRa [10]

Answer:

a) 8:3, b) no formula is there, c) 30

Step-by-step explanation:

because 200/75=8:3

because there formula being obtained

because 300/24=12.5

375/12.5=30

5 0
3 years ago
The point (3, 5) is reflected across the y-axis.
NeX [460]
(-3,5)

X coordinate becomes negative
7 0
3 years ago
Need answer quick for an assignment please.
lianna [129]

Answer:

y= 10x+7

Step-by-step explanan

7 0
3 years ago
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