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Kipish [7]
3 years ago
10

Help me plz I am stuck on this

Mathematics
1 answer:
Temka [501]3 years ago
5 0

Answer:

30 I think

Step-by-step explanation:

You might be interested in
1. Five times a whole number x is subtracted from 62 The result is less than 40
grandymaker [24]

Answer:

Step-by-step explanation:

1.  Symbolically, we get:  62 - 5x < 40

2.  y - 7.3 < 3.4.  Solve for y by adding 7.3 to both sides, obtaining:

     y < 10.7    This is both the 'range' and the 'solution'

3a)      4b =  9b + 45, or -5b = 45, or b = -9

3b)      5a + 10 = 4a - 4

Combining like terms results in a = -14

6 0
3 years ago
If a polyhedron has 5 faces and 7 vertices, then it must have how many edges?
77julia77 [94]
10, because when you add 5 and 7 then subtract 10 it equals 2
3 0
3 years ago
Use the equation below to find v, if u = 24, a=7, and t=4.<br> v=utat<br> V=
Elena-2011 [213]

Answer:

V=2688

Step-by-step explanation:

V = U * T * A * T

V= 24 * 4 * 7 * 4 = 2688

8 0
3 years ago
Need help please on these two
aksik [14]

Answer:

1.) 20

2.) the second option

Step-by-step explanation:

Hope this helps

3 0
3 years ago
Read 2 more answers
What are the roots of the equation 4x^2+24x+45=0 in simplest a+bi form?
Serhud [2]

Answer:

X=(-1.5, 7.5)

Step-by-step explanation:

Simplifying

4x2 + -24x + -45 = 0

Reorder the terms:

-45 + -24x + 4x2 = 0

Solving

-45 + -24x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.

(-3 + -2x)(15 + -2x) = 0

 

Set the factor '(-3 + -2x)' equal to zero and attempt to solve:

Simplifying

-3 + -2x = 0

Solving

-3 + -2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '3' to each side of the equation.

-3 + 3 + -2x = 0 + 3

Combine like terms: -3 + 3 = 0

0 + -2x = 0 + 3

-2x = 0 + 3

Combine like terms: 0 + 3 = 3

-2x = 3

Divide each side by '-2'.

x = -1.5

Simplifying

x = -1.5  

Set the factor '(15 + -2x)' equal to zero and attempt to solve:

Simplifying

15 + -2x = 0

Solving

15 + -2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-15' to each side of the equation.

15 + -15 + -2x = 0 + -15

Combine like terms: 15 + -15 = 0

0 + -2x = 0 + -15

-2x = 0 + -15

Combine like terms: 0 + -15 = -15

-2x = -15

Divide each side by '-2'.

x = 7.5

Simplifying

x = 7.5

Solution

x = {-1.5, 7.5}

7 0
3 years ago
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