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3 years ago

Solve 3x + k = cfor x.

1 answer:

7 0

First, subtract k from both sides. That means c - k is in the left side and 3x is on the right. Then, divide by 3 on both sides. So, the answer is x = (c - k) / 3.

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Solve the equation 3×-4y=16 for x

Leokris [45]

3x - 4y = 16

3x = 16 + 4y

Thus the answer is :

15 + 4y

6 0

3 years ago

Read 2 more answers

Mark is having a party. He invited 35 people. Mark set up 8 tables with 4 chairs at each table. Dose Mark have enough tablels an

Aneli [31]

8 * 4 = 32 chairs

No, Mark does not have enough tables and chairs for all of his guests. He only has 32 chairs but there are 35 guests. There are 3 people that will not be seated.

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3 years ago

Which two triangles are congruent by ASA? <br> MP bisects QO and angle MQP congruent angle ROP

konstantin123 [22]

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Find The T value for point that splits segment EF in half if point E is located at (5,-2) and point F is located at (-1,3).

Tanzania [10]

The formula of a midpoint between two points:

$M\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)$

We have:

$(5,\ -2)\to x_1=5,\ y_1=-2\\\\(-1,\ 3)\to x_2=-1,\ y_2=3$

Substitute:

$\dfrac{5+(-1)}{2}=\dfrac{4}{2}=2\\\\\dfrac{-2+3}{2}=\dfrac{1}{2}$

Answer: $T\left(2,\ \dfrac{1}{2}\right)$

4 0

3 years ago

Jamie used the distributive property to find the product of s(t) and h(t). His work was marked incorrect. Identify Jamie's mista

SSSSS [86.1K]

Complete Question:

Jamie used the distributive property to find the product of s(t) and h(t). His work was marked incorrect. Identify Jamie's mistake. What advice would you give Jamie to avoid this mistake in the future?

s(t)•h(t)= (3x-4)(2x-8)

= 6x² - 24x -8x - 32

= 6x² - 32x - 32

Answer:

Jamie made a mistake in his second line (6x² - 24x -8x - 32), by wrongly multiplying the operation signs. The last term should be +32, not -32.

Advice: Jamie should take note of the rule that applies when multiplying signs.

Step-by-step Explanation::

To find out where exactly Jamie made mistake, let's find the product of the given functions, step by step:

s(t)•h(t)= (3x-4)(2x-8)

Using distributive property, do the following:

$3x(2x - 8) -4(2x - 8)$

$3x*2x -3x*8 -4*2x -4*-8$

$6x^2 - 24x - 8x + 32$ (this is where Jamie made mistake. -4 * -8 = +32. NOT -32.)

Add like terms

$6x^2 - 32x + 32$

Jamie made a mistake in multiplying negative × negative. The last term in "6x² - 24x -8x - 32", should be +32. Negative × negative = +.

Therefore, it is advisable for Jamie to always take note of the rule that applies when multiplying signs.

8 0

3 years ago