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Finger [1]
2 years ago
5

Factor the expression 45b+40​

Mathematics
2 answers:
natali 33 [55]2 years ago
6 0

Answer:

5(9b + 8)

Step-by-step explanation:

Rewrite 45 as 5 * 9

Rewrite 40 as 5 * 8

= 5 * 9b + 5 * 8

Factor out common term 5

=5 (9b + 8)

Zina [86]2 years ago
3 0

Answer:

5(9b+8)

Step-by-step explanation:

You have to see what numbers equally go into 45 and that would be 9 and 5, and then you see what numbers will go into 40 and that is 8 and 5.

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in a 220 yard dash,Fred finished in 36.4 seconds and Bob finished in 33.9 seconds. How much longer did it take Fred?
jeyben [28]

Answer:

It took Fred 2.5 more seconds to finish.

Hope this helps!

7 0
3 years ago
Q7: Determine the graph of the polar equation r = 12/6+4n cos theta.
iVinArrow [24]

Answer:

Choice B

Step-by-step explanation:

The first step is to write the polar equation of the conic section in standard form by dividing the numerator and denominator by 6;

r=\frac{2}{1+\frac{2}{3}cos theta }

The eccentricity of this conic section is thus 2/3, the coefficient of cos theta. Clearly, the eccentricity is between o and 1 implying that this conic section represents an Ellipse.

Lastly, the ellipse will open towards the left since we have positive cos theta in the denominator. The only graph that meets the conditions is graph B.

3 0
3 years ago
The single equivalent discount rate of the trade discount 6/4/2 is:
Orlov [11]

Answer:

3/1

Step-by-step explanation:

Given the expression 6/4/2, we are to express as a single fraction.

6/4/2

= 6÷4/2

= 6×2/4

= 12/4

= 3/1

Hence the expression as a single fraction is 3/1

4 0
2 years ago
CORRECT ANSWER GETS BRAINLYEST Drag each set of coordinates to the correct location on the table. Not all sets of coordinates wi
nata0808 [166]

Answer:    

(-4,-7)

(4,7)

(-4,-5)

(1,-1)

Step-by-step explanation:

 

7 0
2 years ago
Read 2 more answers
Simplify<br> 7x + 2y - 3x + 4y<br><br> Factorise<br> 10x - 15<br><br> Solve<br> 5p = 3p + 8
vlada-n [284]

Answer:

1. x = -1.5y

2. 5 (2x-3)

3. p = 4

Step-by-step explanation:

1) Simplifying

7x + 2y + -3x + 4y = 0

Reorder the terms:

7x + -3x + 2y + 4y = 0

Combine like terms: 7x + -3x = 4x

4x + 2y + 4y = 0

Combine like terms: 2y + 4y = 6y

4x + 6y = 0

Solving

4x + 6y = 0

Solving for variable 'x'.

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

Add '-6y' to each side of the equation.

4x + 6y + -6y = 0 + -6y

Combine like terms: 6y + -6y = 0

4x + 0 = 0 + -6y

4x = 0 + -6y

Remove the zero:

4x = -6y

Divide each side by '4'.

x = -1.5y

Simplifying

x = -1.5y

2)

Common factor

10x - 15

5 (2x-3)

3) Simplifying

5p = 3p + 8

Reorder the terms:

5p = 8 + 3p

Solving

5p = 8 + 3p

Solving for variable 'p'.

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

Add '-3p' to each side of the equation.

5p + -3p = 8 + 3p + -3p

Combine like terms: 5p + -3p = 2p

2p = 8 + 3p + -3p

Combine like terms: 3p + -3p = 0

2p = 8 + 0

2p = 8

Divide each side by '2'.

p = 4

Simplifying

p = 4

7 0
2 years ago
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