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quester [9]
3 years ago
12

Ce Powered by MathXL - Inv. 2 - Thinking With Mathematical ... Copy 4

Mathematics
1 answer:
MAVERICK [17]3 years ago
7 0

Answer:

y=640-3x

Step-by-step explanation:

The total amount of ounces in the bucket is 640, and it decreases by 3 each minute. For example, if you plug in 3 for x into that equation (which would represent 3 minutes), you would lose 9 ounces of water, which makes sense in the terms of the equation.

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The measure of ∠CBD is 45% of the measure of ∠ABC. Find the value of x.
Flura [38]
<h2>Explanation:</h2><h2></h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here we have no expressions for ∠CBD and ∠ABC, so I'll assume:

\angle CBD=15x-24 \\ \\ \angle ABC=20x+40

We know that the measure of ∠CBD is 45% of the measure of ∠ABC, then:

\angle CBD = 45\%(\angle ABC) \\ \\ \\ Or: \\ \\ \angle CBD = 0.45(\angle ABC) \\ \\ \\ Substituting \ expressions: \\ \\ 15x-24=0.45(20x+40) \\ \\ \\ Solving \ for \ x: \\ \\ 15x-24=9x+18 \\ \\  15x-9x=24+18 \\ \\ 6x=42 \\ \\ x=\frac{42}{6} \\ \\ \boxed{x=7}

6 0
3 years ago
What is the domain and range of y= x⁴-1?<br><br>anyone help me quickly please!!!
jasenka [17]
I don’t know if this will help....

6 0
3 years ago
The chemical element einsteinium-
AURORKA [14]

Answer:

Every week, the mass of the sample is multiplied by a factor of 0.81

Step-by-step explanation:

Let's rewrite the base and find the expression whose exponent is just ttt.

(0.97)7t+5=(0.97)7t⋅(0.97)5=(0.977)t⋅(0.97)5

Therefore, we can rewrite the modeling function as follows.

M(t)=(0.97)5⋅(0.977)t

According to this model, the mass of the sample is multiplied by 0.977 every week. Rounding this to two decimal places, we get 0.977≈0.81.

7 0
3 years ago
Ship A receives a distress signal from the southwest, and ship B receives a distress signal from the same vessel from the north.
mylen [45]
G=t negative 320+f5 t=b

6 0
3 years ago
What is the probability that the sun will rise tommorow?​
zvonat [6]

Answer:

100 percent the sun will rise tomorrow but who is to say you will get to see the sun tomorrow? who is to say you won't have a heart attack and die on this material planet tomorrow and won't get to see the sun rise. or what if the sun sends out a solar flare and burns everyone to a crisp and completely demolishes our ozone layer allowing oxygen to excrete from the planet and cooking everyone with solar radiation all at the same time catastrophic winds and earthquakes demolish the planet because of loss of pressure from the gravity field held in check by the oxygen that has left the planet from a destroyed ozone layer leaving everyone to suffocate and die and excruciating death therefore yes the sun will rise tomorrow but certain events are to unfold we could never prognosticate

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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