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3 years ago

Using the side splitter theorem, Daniel wrote a proportion for the segments formed by line segment DE. What is EC ?

Mathematics

2 answers:

Sidana [21]3 years ago

7 0

Pls. see attachment.

Luden [163]3 years ago

7 0

Answer:

2.4 units

Step-by-step explanation:

took the quiz

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Find the missing angle measure

Misha Larkins [42]

Answer:

Step-by-step explanation:

55-24=31. hope it helps

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3 years ago

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Exit Ticket: At noon, a tank has a water depth of 9 in. After 3 hours, the depth was 8 inches. At 6pm, the depth was 7 inches. W

OLEGan [10]

Answer:

Step-by-step explanation:

The straight line equation is:

y = m*x + b Where m is the slope of the line and b the intercept with y-axis, in our case y is the depth of the tank and x (time in lapsus of 3 hours).

The slope m = ( y₂ - y₁ ) / (x₂ - x₁)

We have point A ( 3 , 8 ) and point B ( 6 , 7 )

m = ( 6 - 3 ) / (7 - 8 ) m = -3

We see that each 3 hours time-depth decreases 1 in.

Then to find the depth at the beginning of x-axis

At noon 12 tank was 9 inches, three hours before at 9 in the morning the depth was 10 inches and:

9 in the morning 10

6 in the morning 11

3 in the midnight 12

12 in the night 13

Then 13 is the intercept with y-axis

then the equation is:

h = - 3*x + 13

Note x is time in lapsus of 3 hours

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3 years ago

Consider the numbers √27 and √39.

kobusy [5.1K]

√27 = 5.2 (to 1 dp)
√39 = 6.2 (to 1 dp)
A. √39 is greater.
B. 6 is the only whole number between the two.
Hope this helped :)

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3 years ago

Change each mixed number or whole number to an improper fraction.

irina [24]

Answer:

5) 19/4

7) 49/5

Step-by-step explanation:

8 0

4 years ago

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What value of x is in the solution set of 3(x – 4) > 5x + 2?

bonufazy [111]

We have to simplify and get the value of x from this inequality given:

Given inequality,

$3(x - 4) > 5x + 2$

Now let's simplify by using distributive property,

$3x - 12 > 5x + 2$

We need to find x, so let's isolate x to the letter side of the inequality for calculation at ease.

$3x - 12 - 5x - 2 > 0$

$- 2x - 14 > 0$

Now, dividing -2 from both sides.

Note : As we are dividing a negative number from both sides, the sign of the inequality will be reversed.

$\dfrac{ - 2x - 14}{ - 2} > \dfrac{0}{ - 2}$

$x + 7 < 0$

Now subtracting -7 from both sides,

$x + 7 - 7 < 0 - 7$

$x < - 7$

Or, Interval of the equal $(- \infin, -7 ]$

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3 years ago