2 years ago

Could someone help me with this calc question please

Mathematics

1 answer:

trapecia [35]2 years ago

6 0

I hope this helps you...

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Bumek [7]

Answer:

Step-by-step explanation:

$\frac{b}{-3}+4< 13$

Step 1: Subtract 4 form both sides

Step 2: Multiply both sides by (-3). when we are multiplying by (-3) the < will change to >.

$\frac{b}{-3}+4-4 9*-3\\\\b > -27$

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2 years ago

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How do we graph f(x)=x-7

babymother [125]

The graph of f(x) is a straight line passing through points (0, -7) and (7, 0)

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James has $25 to spend at the concession stand. He buys nachos for $8.50, a soda for $2.50 and some Sour Straws for $1.25 each.

SIZIF [17.4K]

B and D hope it’s right

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2 years ago

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I need help fast please!!!!!

Inessa05 [86]

Answer:

255.7 cm²

Step-by-step explanation:

A = 10²(3.14) = 314

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2 years ago

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X + y = -1<br> 4x - 2y = -16

djyliett [7]

Answer:

$x=-3 \\and\\ y=2$

Step-by-step explanation:

$x + y = -1$ Equation:1

$4x - 2y = -16$ Equation:2

Solving Equation:1

$x+y=-1$

Subtracting 'y' from both the sides:

$x+y-y=-1-y\\\\x=-1-y$

Putting 'x' in Equation :2

$4(-1-y)-2y=-16\\\\-4-4y-2y=-16\\\\-4-6y=-16$

Adding '4' both the sides

$-6y=-16+4\\\\-6y=-12\\\\y=-12/-6\\\\y=2$

Putting the value of 'y' in equation:1

$x+y=-1$

$x+(2)=-1\\\\x=-1-2\\\\x=-3\\$

The solution is:

$x=-3 \\and\\ y=2$

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2 years ago