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3 years ago

3x - 2y + 3z = 6

Mathematics

1 answer:

Andrej [43]3 years ago

3 0

Answer:

Point Form: ( − 2 , 0, 4 ) Equation Form: x = − 2 , y = 0 , z = 4

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

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Callie brought 2 gallons of juice for 2.58 per gallon.She sold the juice in 1-cup servings for 0.75 each.Each serving is 1/16 ga

Elena L [17]

To be exact she made a profit of $6.84!

2.58+2.58=5.16 This is how much she has to make to make a profit.

0.75*16=12 She made $12 in total :)

hope it helps:))

6 0

3 years ago

Please I need hep, get free brainly :D

padilas [110]

Step-by-step explanation:

Formula:

$\boxed{a = 3.14(r)^{2} }$

r represents the radius.

The radius is 1/2 of the diameter.

Since 1/2 of 16 is 8, 8 is our radius.

Substitute:

$a = 3.14(8)^{2}$

Solve:

$a = 3.14(64)$

$a = 200.96in^{2}$

6 0

2 years ago

Read 2 more answers

Which expression shows a way to find 20% of 950? Please I need help thanks.

wolverine [178]

Answer:

the answer of the expression is 190

Step-by-step explanation:

Given expression as :

20 % of 950

Or, $\frac{20}{100}$ times 950

Or, $\frac{20}{100}$ × 950

Or, 20 × $\frac{950}{100}$

or, 20 × 9.5

∴ 190

7 0

3 years ago

Solve for the roots in simplest form using the quadratic formula:

Softa [21]

Step-by-step explanation:

4x² - 12x + 17 = 0

i is an imaginary number and it equals √-1, and you usually put it when the number under the root is negative.

So √-5 = √5i and √-4 = 2i

3 0

3 years ago

In triangle ABC, and C is a right angle. Find the value of the trig function find the sec(A) if C=25, B=20, A=15

asambeis [7]

Answer:

sec A = 5/4

Step-by-step explanation:

Sec of an angle is hypotenuse/adjacent side

In your problem, sec A = 25/20 = 5/4

It helps if you can draw a figure of the problem. Make sure you memorize the definition of each trig function

5 0

3 years ago