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alekssr [168]
3 years ago
11

Can somebody please help me with this math question

Mathematics
1 answer:
Travka [436]3 years ago
8 0

Answer:

80 is what I got

Step-by-step explanation:

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What is the standard form of f(x)=(-x+2) (x-5)
topjm [15]

Answer:

f(x) = - {x}^{2} + 7x - 10

Step-by-step explanation:

f(x) = ( - x + 2)(x - 5) \\  =  -  {x}^{2}  + 5x + 2x - 10 \\   \red{ \boxed{ \bold{f(x)=  -  {x}^{2}  + 7x - 10}}}  \\ is \: the \: standard \: form.

8 0
3 years ago
Read 2 more answers
Select all the values that cannot be probabilities A.) 1 B.) square root of 2 C.) 0 D.) 0.04 E.) -0.54 F.) 3/5 G.) 5/3 H.) 1.29
Papessa [141]

Answer:

B.) square root of 2

E.) -0.54

G.) 5/3

H.) 1.29

Step-by-step explanation:

A probability of an event is how likely the event is to occur. It is always positive values, between 0% and 100%, or as decimals, between 0 and 1.

A.) 1

Can be a probability

B.) square root of 2

The square root of 2 is 1.41. 1.41 is higher than 1, so square root of 2 cannot be a probability

C.) 0

Can be a probability

D.) 0.04

0.04 = 4%

Can be a probability

E.) -0.54

Negative values cannot be probabilities

F.) 3/5

3/5 = 0.6 = 60%

Can be a probability

G.) 5/3

5/3 = 1.67

Higher than 1, so cannot be a probability

H.) 1.29

Higher than 1, cannot be a probability

3 0
3 years ago
If there are 50 trees per acre in an orchard and the orchard is 1.7 x 2.2 km, how many trees are in the entire orchard?
Dmitriy789 [7]

Answer:

187 trees

Step-by-step explanation:

50 trees per acre in an orchard and

the orchard is 1.7 x 2.2 km,

we calculate the orchard dimension = 1.7 x 2.2km = 3.74

to calculate how many trees are in the entire orchard = 3.74 x 50 = 187 trees

6 0
3 years ago
Solve the absolute value equation<br> algebraically: 3|2x - 3| + 2 = 3
kupik [55]

Answer:

3 |2x - 3|  = 1

3 |2x - 3|  = 1 \\ 6x - 9 = 1 \\ 6x = 10 \\ x =  \frac{10}{6}  = \frac{5}{3}

3 |2x - 3|  =  - 1 \\ 6x - 9 =  - 1 \\ 6x = 8 \\ x =  \frac{4}{3}

x =  \frac{5}{3} x =  \frac{4}{3}

I am sorry but I am not sure of this :(

7 0
3 years ago
the mean age of 5 people ina room is 32 years. A person enters the room.The mean age is now 34.What is the age of the person who
astraxan [27]

Answer:

32

Step-by-step explanation:

8 0
3 years ago
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