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Rashid [163]
3 years ago
14

PLEASE HELP!!! I'M ON A TIMER!! (20 POINTS) Which method correctly solves the equation using the distributive property? Negative

0.2 (x minus 4) = negative 1.7 Negative 0.2 (x minus 4) = negative 1.7. Negative 0.2 x minus 4 = negative 1.7. Negative 0.2 x = 2.3. x = negative 11.5. Negative 0.2 (x minus 4) = negative 1.7. x minus 4 = 0.34. x = 4.34. Negative 0.2 (x minus 4) = negative 1.7. Negative 0.2 x + 0.8 = negative 1.7. Negative 0.2 x = negative 2.5. x = 12.5. Negative 0.2 (x minus 4) = negative 1.7. Negative 0.2 x minus 0.8 = negative 1.7. Negative 0.2 x = negative 0.9. x = 4.5.
Mathematics
2 answers:
iragen [17]3 years ago
7 0

Answer:

last one is correct

Pie3 years ago
4 0

Answer:

D

Step-by-step explanation:

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What is the range of possible sizes for side x?
jenyasd209 [6]

Answer:

4

Step-by-step explanation:

If a, b, c are three sides of the triangle, then

a+b>c\\ \\a+c>b\\ \\b+c>a

In your case, two sides have measures of 4 units and 8 units, then

4+8>x\\ \\4+x>8\\ \\8+x>4

Hence,

12>x\\ \\x>4\\ \\x>-4

Therefore,

4

3 0
4 years ago
HELLPPPPPP ANGLESSS
vekshin1

B) 6, 8, 10

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8 0
3 years ago
A recent survey found that 65% of high school students were currently enrolled in a math class, 43% were currently enrolled in a
Bas_tet [7]
<h3>Answer: Choice A)  0.20</h3>

===================================================

Explanation:

Let's say there are 1000 students. The students must take math, science or they can take both simultaneously.

  • 65% of them are in math. So there are 0.65*1000 = 650 math students.
  • 43% are in science, leading to 0.43*1000 = 430 science students.
  • 13% are in both so we have 0.13*1000 = 130 students who are in both.

Now onto the sentence that says "Suppose a high school student who is enrolled in a math class is selected at random"

This means we only focus on the 650 math students and ignore the 1000-650 = 350 students who aren't in math.

Of those 650 math students, 130 are also in science (since 130 are in both classes).

The probability we're after is therefore 130/650 = 0.20

4 0
3 years ago
Read 2 more answers
The graph below shows the number of dimes and nickels in a child’s piggy bank.
kirill115 [55]

Answer:

60 dimes 35 nickels

Step-by-step explanation:

6 0
3 years ago
A woman 5 ft tall walks at the rate of 7.5 ft/sec away from a streetlight that is 10 ft above the ground. At what rate is the ti
lesya [120]
Height of the woman = 5 ft
Rate at which the woman is walking = 7.5 ft/sec
Let us assume the length of the shadow = s
Le us assume the <span>distance of the woman's feet from the base of the streetlight = x
</span>Then
s/5 = (s + x)/12
12s = 5s + 5x
7s = 5x
s = (5/7)x
Now let us differentiate with respect to t
ds/dt = (5/7)(dx/dt)
We already know that dx/dt = 7/2 ft/sec
Then
ds/dt = (5/7) * (7/2)
        = (5/2)
        = 2.5 ft/sec
From the above deduction, it can be easily concluded that the rate at which the tip of her shadow is moving is 2.5 ft/sec. 
8 0
3 years ago
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