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3 years ago

Please please help with this. i need all 10 plsss. will mark as brainliest

Mathematics

1 answer:

iren2701 [21]3 years ago

5 0

Answer:

1) (x+3)(x+4)

2) (x-9)(x+1)

3) (x-6)(x+5)

4) (x-3)(x-5)

5) (x-10)(x+1)

6) (x+3)(x+8)

7) (x-2)(x-8)

8) (x+4)(x-1)

9) (x-9)(x+5)

10) (x-8)(x+2)

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Another one these :(

erma4kov [3.2K]

Answer:

Obtuse and Isosceles

Step-by-step explanation:

Since there is an angle greater than 90 degrees (104 degrees) the triangle is obtuse. Since there are two congruent sides, the triangle is also Isosceles.

7 0

3 years ago

Racheal used a total of 5 1/6 gallons of gas while driving her car. Each hour she was driving, she used 5/9 gallons of gas. What

Andreyy89

Answer: The correct answer is: " 9.3 hours " .

_________________________________

Step-by-step explanation:

_________________________________

To calculate:

Let "gal" represent "gallons (of gas)" ;

Let "h" represent "hour(s)" ;

________________________________

5 $\frac{1}{6}$ gal * (  1 h  ) = ? h ;

( 5/9 gal ) ;

________________________________

Note: On the "left-hand side" of the equation;

The units of "gal" ["gallons"] — "cancel out" ;

→ {since: "gal/ gal = 1"} ;

____________________________

and we can rewrite our equation as:

_____________________________

( 5 $\frac{1}{6}$ )

________ hours ;

( 5/9 )

______________________________ ;

To solve:

_____________________________

5 1/6 ÷ (5/9) =

5 1/6 * (9/5) ;

____________________________

Note: Dividing by a fraction is the same as multiplying by that very fraction's reciprocal form.

__________________________

Now, let us convert "5 1/6" ; which is a "mixed fraction" ; into an

"Improper fraction" ;

__________________________

To do this, we can use the "MAD" method:

__________________________

M: Multiply the "denominator number" of the "fraction portion" [within the "mixed fraction"]—by the "whole number" [within the "mixed fraction" ; In this case: "6" , multiplied by "5" ; to get "30" ;

_________________

Then:

_________________

A: Add this obtained value; to the "numerator number" of the

"fraction portion" [within the "mixed fraction"] ;

In this case: "30" ; added to "1" ; to get 31:

__________________

Then:

D: Divide this number by the "denominator number" of the "fraction portion" [within the "mixed fraction"] ; but instead of solving for the quotient—write in the format of a fraction:

In this case: " $\frac{31}{6}$ " .