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2 years ago

10

I really need help with this mind lending a hand?

1 answer:

Vladimir [108]2 years ago

3 0

Answer:

A. -4 ≤ x ≤ 3

Step-by-step explanation:

The <em>domain</em> is the horizontal extent of the graph.

The solid dot at the extreme left of the graph indicates x=-4 is in the domain of the graph. The solid dot at the extreme right indicates x=3 is in the domain of the graph. The continuous line between those points indicates all values of x between -4 and +3 are in the domain.

The domain is -4 ≤ x ≤ 3.

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There are 42 more red marbles in a jar than there are white marbles. If there are 238 marbles in the jar, how many of them are r

Andrej [43]

Answer:

Red: 161 White: 77

Step-by-step explanation:

Given there are 238 marbles in a jar, and there are 42 more red marbles than white marbles, we need to divide the number of marbles by two, as there are, presumably, two colors.

238 / 2 = 119

After doing this, we subtract 42 from one of the two 119s, and we add 42 to the other.

119 - 42 = 77

119 + 42 = 161

The value with 42 added is the red marble count, and the value with 42 subtracted is the white marble count.

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3 years ago

5x-19≤1 OR -4x+3 -9/4 <br> D) No solution <br> E) All values of x are solutions

sukhopar [10]

Answer:

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Step-by-step explanation:

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3 years ago

Help#3 plus plus plus need this

gayaneshka [121]

Wouldn't it be -54. Because when you subtract 5-59 you get a negative number... IT WOULD BE FREEZING THERE!!! I HOPE THIS HELPED

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4 years ago

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The quadratic function h(t)=-16.1t^2+150 models a balls height in feet over time in seconds after it is dropped from a 15 story

Allushta [10]

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4 years ago

Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution. Which equation c

Alex17521 [72]

Answer:

Equation is $0.5 \text{ gal }\times(0.1)+ x\text{ gal }\times (0.35)=(0.5 + x)\times (0.15)$

0.125 gallons of the 35% acid solution Eli should add.

Step-by-step explanation:

Given : Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution.

To find : Equation can you use to determine how many gallons of the 35% acid solution Eli should add?

Solution :

Let x be the gallons of the 35% acid solution.

According to question,

For 0.5 gallon of a 10% acid solution = $0.5\times 0.1$

For x gallon of a 35% acid solution = $x\times 0.35$

For (0.5+x) gallon of a 15% acid solution = $0.5+x\times 0.15$

The equation form is

$0.5 \text{ gal }\times(0.1)+ x \text{ gal }\times(0.35)= (0.5+x)\times (0.15)$

Solving the above equation,

$0.05+0.35x = 0.075 + 0.15x$

$0.2x = 0.025$

$x =\frac{0.025}{0.2}$

$x=0.125$

Therefore, 0.125 gallons of the 35% acid solution Eli should add.

The equation is $0.5 \text{ gal }\times(0.1) + x \text{ gal }\times(0.35) =(0.5 + x)\times (0.15)$

3 0

3 years ago

Read 2 more answers