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solniwko [45]
4 years ago
8

1. Evaluate the expression: 4 – 3s2 + (s + t) for t = -2 and s = 5

Mathematics
1 answer:
den301095 [7]4 years ago
7 0

Answer:The Answer is -23

Step-by-step explanation:

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Which graph represents the function h(x) = |x| + 0.5?
pickupchik [31]

Answer:

On a coordinate plane, an absolute value graph has a vertex at (0, 0.5).

Step-by-step explanation:

properties of the given function

  • domain=X€R
  • range=[1/2,+♾️)
  • minimum (0,1/2)
4 0
2 years ago
The best or first answer will be marked brainliest.
MrRissso [65]

Answer:

48 pounds per square inch

Step-by-step explanation:

d = (1/2)n + 26

d = 50feet

50 = (1/2)n + 26

Subtract 26 from both sides

24 = (1/2)n

Multiply both sides by 2

48 = n

4 0
3 years ago
Read 2 more answers
Which figure has the least area?
MatroZZZ [7]

Answer:

D. rectangle with a width of 7 cm and a length of 8 cm

Step-by-step explanation:

If you multiply 7 and 8 you get 56, which is the least area in all of these figures.

5 0
4 years ago
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The unit rate of change of y with respect to x is the amount y changes for a change of one unit in x. Is the unit rate of change
Nataly [62]

Answer:

Option (a). The equation

Step-by-step explanation:

Rate of change of any equation or graph is represented by its slope 'm'.

In an equation y = mx + b

'm' represents the slope.

Given equation is,

y = 0.25x

Slope of the line m₁ = 0.25

From the graph attached,

A line passes through two points (0, 0) and (5, 1)

Slope of the line = \frac{y_2-y_1}{x_2-x_1}

                      m₂ = \frac{1-0}{5-0}

                      m₂ = 0.2

m₁ > m₂

Therefore, unit rate of change in y is greater in the given equation.

Option (a) will be the answer.

6 0
3 years ago
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A botanist is collecting data from a particular species of plant. The scientist found that the data is normally distributed with
SashulF [63]

Answer:

3972.72 specimens

Step-by-step explanation:

We solve using the z score formula:

z = (x-μ)/σ where

x is the raw score = 73 cm

μ is the population mean = 147 cm

σ is the population standard deviation = 30 cm

N is the number of samples = 4000

For x > 73

z = 73 - 147/30

z = -2.46667

Probability value from Z-Table:

P(x<73) = 0.0068189

P(x>73) = 1 - P(x<73) = 0.99318

The probability of having a height greater than 73cm is: 0.99318

The number of specimens that have a height greater than 73cm is calculated as: 0.99318 × 4000

= 3972.72 specimens

5 0
3 years ago
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