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3 years ago

HELP PLS DUE NOW BRAINLIEST AND A THANKS

Mathematics

1 answer:

DochEvi [55]3 years ago

7 0

Answer:

Step-by-step explanation:

The researcher did no prediction or any (possible)

Hope this helps :)

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A. Use your calculator to work out the exact value of 13822 x 623/ 14

aleksklad [387]

Answer:

The answer for A is 615079

Step-by-step explanation:

6 0

3 years ago

Caroline was thinking of a number. Caroline subtracts 2.9 from the number and gets an answer of 2.9. Form an equation with x

Alekssandra [29.7K]

Answer:

let the thought no be x

then, ×-2.9=2.9

or,x=2.9+2.9

or,x=5.8

Mark be as brainlist plz

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3 years ago

Solve the literal equation a + 4b = 5b - 3a for a

frez [133]

Simplifying
a + 4b = 5b + -3a

Reorder the terms:
a + 4b = -3a + 5b

Solving
a + 4b = -3a + 5b

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '3a' to each side of the equation.
a + 3a + 4b = -3a + 3a + 5b

Combine like terms: a + 3a = 4a
4a + 4b = -3a + 3a + 5b

Combine like terms: -3a + 3a = 0
4a + 4b = 0 + 5b
4a + 4b = 5b

Add '-4b' to each side of the equation.
4a + 4b + -4b = 5b + -4b

Combine like terms: 4b + -4b = 0
4a + 0 = 5b + -4b
4a = 5b + -4b

Combine like terms: 5b + -4b = 1b
4a = 1b

Divide each side by '4'.
a = 0.25b

Simplifying
a = 0.25b

6 0

2 years ago

NEED HELP WITH ALGEBRA 2 <br><br> Solve each equation: 5^(3-2x)=5^(-x)

skad [1K]

Your answer would be x=3

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3 years ago

What value of m does the graph y = 18x2 + mx + 2 have exactly one x-intercept?

Vlada [557]

To get the graph to have one x-intercept, we must find the m value where the discriminant of the equation will equal 0.

The discriminant for a graph with one x-intercept is found with the following formula:

$b^2 - 4ac = 0$

Plug in the values of the equation into this formula:

$\text{a = 18, b = m, c = 2}$
$m^2 - 4(18)(2) = 0$
$m^2 - 144 = 0$

Add 144 to both sides:

$m^2 = 144$

Square root both sides to get m by itself:

$\sqrt{144} = \pm 12$
$m = 12, \ m = -12$

In order for the graph to have one x-intercept, m must equal -12 or 12.

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4 years ago