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4 years ago

6

^^^^^^^^^^^^^^^^^^^^

1 answer:

Phoenix [80]4 years ago

7 0

Answer:

Option B.

Step-by-step explanation:

The constant of proportionality is the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality.

Given that the graph is a straight line, we can find the constant of proporctionality just by selecting a point, and then dividing the y-value by the x-value.

We can see from the graph that when y=5, x=4. Then, the constant of proportionality comes to be:

k = 5/4 = 1.25.

Then, the correct option is Option B.

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Chris estimated the product of 37 and 86 by multiplying 40x90.Tell how you know if this is greater than or less than the actual

vichka [17]

Answer:

Greater than the actual product because both numbers where rounded up to the closest tenth.

Step-by-step explanation:

37 x 86 - original

40 x 90 - rounded

37 < 40 - greater than

86 < 90 - greater than

Checking --->

37 x 86 = 3182

40 x 90 = 3600

3182 < 3600

6 0

3 years ago

Can y’all do 5-6 please.I have this whole thing due at 12:00 lol.

jeka94

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3 years ago

Find two numbers x and y with a sum of 200 and a difference of 82

enyata [817]

Answer:

Let x be the bigger number, and y be the smaller number.

$x+y=200$

$x=200-y$

Since the difference is 82,

$x-y=82$

Substitute x in:

$(200-y)-y=82$

$200-2y=82$

$2y=200-82$

$2y=118$

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4 0

3 years ago

In a contest to guess the number of jelly beans in a jar, Alice guessed 25;Betty, 18;Clare,23;Dotty,19;Edith,24;and Fran,17. Two

vampirchik [111]

Answer:

<em>There are 21 jelly beans in the jar.</em>

Step-by-step explanation:

Suppose, the number of jelly beans in the jar is $x$

Two were off by 2, two were off by 3, two were off by 4. That means, the six guessed number will be: $(x+2), (x-2), (x+3), (x-3), (x+4), (x-4)$

Given that, Alice guessed 25; Betty, 18; Clare, 23; Dotty, 19; Edith, 24; and Fran, 17.

So, the sum of all six guessed number will be: $25+18+23+19+24+17=126$

Thus, the equation will be..........

$(x+2)+(x-2)+(x+3)+(x-3)+(x+4)+(x-4)= 126\\ \\ 6x= 126\\ \\ x=\frac{126}{6}=21$

So, the number of jelly beans in the jar is 21.

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3 years ago

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The thick atmosphere scatters all but longer wavelengths.

Only short wavelengths are radiated from the Sun in the morning and evening.

4 0

3 years ago