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Tems11 [23]
3 years ago
12

What is the value of the expression below when z = 4? 10z - 3

Mathematics
1 answer:
sergey [27]3 years ago
7 0

Answer:

Your correct answer is 37

Step-by-step explanation:

Evaluate for z = 4

(10)(4)−3

(10)(4)−3

= 37

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Determine the discriminant for the quadratic equation 0=-2x2+3. Based on the discriminant value, how many real number solutions
nekit [7.7K]

Answer:

Option D.

The discriminat is equal to 24 which

Step-by-step explanation:

The quadratic equation is

-2x² + 3 = 0

Discriminat in quadratic equation tells us the number of solution a quadratic equation has.

For example, the quadratic equation

Ax² + bx + c = 0 will have a discriminat of b² - 4ac.

b² - 4ac is equal to the value of the discriminat and equal to the number of solutions the quadratic equation has.

In our question, we have -2x² + 3 = 0

A = -2

B = 0

C = 3

b² - 4ac = 0

Substitute the values into the above equation.

0² - 4(-2 ×3) = 0

0 + -4 × -6 = 0

24 = 0

The discriminat of the equation is 24

4 0
3 years ago
Read 2 more answers
The area of a square is 169 sq. Find it's perimeter.
pav-90 [236]

Answer:13

Step-by-step explanation:

5 0
3 years ago
Problem . 4<br> Help anyone ? Please .
Greeley [361]

Answer:

<U= 75°

<V=65°

x=50

Step-by-step explanation:

The interior angles to a triangle always equal 180°.

Set up your equation:

180= 40+x+15+x+25

Subtract 40 from 180 to get 140. Subtract 15 from both sides. Now you have 125. Subtract the 25 from both sides. You now have 100.

Divide the 100 by 2 to find what x is because your equation is now 100=2x

x=50

v= 50+15= 65 so V is 65°

U is 50+25 so U is 75°

4 0
3 years ago
PLS HELP THIS IS DUE TODAY! SOLVE THE EQUATION y=3x - 1 for x
mihalych1998 [28]

Answer:

x=y+1/3

Step-by-step explanation:

y=3x-1

making x the subject of formula,we have;

3x=y+1

x=y+1/3

6 0
3 years ago
What is six-sevents divided by four?<br> Please answer using fractions!<br> Will give brianliest
galina1969 [7]

Answer:

107/500

Step-by-step explanation:

8 0
2 years ago
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