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-Dominant- [34]
3 years ago
9

I need help with math test!!!

Mathematics
1 answer:
pickupchik [31]3 years ago
7 0

Answer:

answer is NO ...................

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Solve the inequality.
Bas_tet [7]

Answer:

x > -11/15

Step-by-step explanation:

−15x + 1 < 12

Subtract 1 from both sides

-15x < 11

Divide both sides by -15

reverse the inequality when multiplying or dividing by a negative

x > -11/15

7 0
2 years ago
Read 2 more answers
Each notebook contains 60 sheets of paper. Andre has 5 notebooks. If the equation is y=5x60 then what does y stand for?
AveGali [126]

Answer:

y = the total sheets in all 5 notebooks

Step-by-step explanation:

5 = notebooks

60 = sheets

y = the total

3 0
3 years ago
Read 2 more answers
(-2) + (3 - 7)<br> (-1) * (-2)
valentinak56 [21]

Answer:

  1. -6
  2. 2

Step-by-step explanation:

( - 2) + ( 3 - 7)

- 2 + (3 - 7)

- 2 +  - 4

- 2 - 4

\boxed{\green{ =  - 6}}

◇◇•◇◇

( - 1) \times ( - 2)

1 \times 2

\boxed{\green{= 2}}

4 0
3 years ago
Consider the triangle A(4,0), B(-2,4), C(0,6)<br> What will be the equation of the altitude BM?
katovenus [111]

Answer:

BM: <u>y = (2/3) x + 16/3</u> with segment length of 2.77

Step-by-step explanation:

AC formula: m = (6-0)/(0-4) = -3/2

(y-0)/(x-4) = -3/2       y = (-3/2)x + 6   ... (1)

BM slope: BM⊥ AC   m = 2/3

BM formula: (y-4) / (x- -2) = (y-4) / (x+2) = 2/3

y-4 = 2/3 x + 4/3

<u>y = (2/3) x + 16/3</u>   ... (2)    -2≤x≤0.31

intercept of AC and BM (M) from (1) and (2): (-3/2)x + 6 = (2/3) x + 16/3

(13/6) x = 2/3      x = (2/3) / (13/6) = 4/13 ≈ 0.31

y = (2/3) (4/13) + (16/3) = (8/39) + (208/39) = 216/39 = 72/13 ≈ 5.54

M (4/13 , 72/13) or (0.31 , 5.54)

segment BM = √(4/13 - -2)² + (72/13 - 4)² = √1300/169 = 2.77

4 0
2 years ago
Paulo catches a 7.45 am tram to school. During a period of 79 days, he arrives at school on time 53 occasions. Estimate the prob
lawyer [7]

Answer:

<em>On time: 0.67</em>

<em>Late: 0.33</em>

Step-by-step explanation:

<u>Probabilities</u>

One approach to estimating the probability of occurrence of an event is to record the number of times that event happens (e) and compare it with the total number of trials (n).

The probability can be estimated with the formula:

\displaystyle P=\frac{e}{n}

And the probability that the event doesn't occur is

Q = 1 - P

Paulo arrives on time to school e=53 times out of n=79 times. The probability that he arrives on time is:

\displaystyle P=\frac{53}{79}

P = 0.67

And the probability he arrives late is:

Q = 1 - 0.67 = 0.33

4 0
3 years ago
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