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Gennadij [26K]
3 years ago
6

A scientist investigates a new substance and finds that at 35° C, 146.2 grams will dissolve in 200.0 grams of water. Which simil

ar experiment could be used to support the scientist’s results?
One performed at a higher temperature
One performed in a different part of the world
One performed using a solvent other than water
One performed with an alternate substance
Mathematics
1 answer:
ser-zykov [4K]3 years ago
7 0
I would say choice A
but im not absolutely sure
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postnew [5]
 <span>1. 12 
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8 0
2 years ago
Which identity is shown below: 12 • 1/12 = 1? Select one: a. multiplicative identity b. additive inverse c. additive identity d.
lutik1710 [3]
What you're seeing here is 12 being multiplied by its reciprocal. 12 * 1/12 = 1. This is an example of a multiplicative inverse; a multiplicative inverse is when you multiply a number by its reciprocal (1 over the number).
3 0
2 years ago
Circle D is centered at (-3, 3) with a radius of 5 and circle E is centered at (3,-3) with a radiu
bezimeni [28]
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4 0
2 years ago
Please help soon! Thanks! Solve for x
EastWind [94]

Answer:

x=30^{\circ}

Step-by-step explanation:

Looking at \triangle LMN:

\angle NML = 180 - (90+45) (angle sum of triangle is 180^{\circ})

=45^{\circ}

Looking at \triangle KNM:

\angle KNM = 180-105 (angle of straight is 180^{\circ})

=75^{\circ}

\angle KNM + \angle NKM + \angle KMN = 180 (angle sum of triangle is 180^{\circ)

75+2x+45 = 180

2x+120 = 180

2x=60

x=30^{\circ}

Hope this helps :)

8 0
2 years ago
Please hurry, 15 points and it's overdue.
valina [46]

Answer:

The relationship is positive.

The model predicts a score of 60.

Not sure what part b is.

Step-by-step explanation:

Since while the money spent on advertising increases while the items sold increases, we have a positive relation between both variables.

By looking at where 30 is on the graph, we can see it lines up with 60,the middle between $40 and $80 on the y axis and so we know this is the cost associated with this value.

4 0
3 years ago
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