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3 years ago

There is a lot of poins pleas help meee

Mathematics

2 answers:

nirvana33 [79]3 years ago

4 0

Answer:

46mi

Step-by-step explanation:

Its right. Sorry need the points.

Romashka [77]3 years ago

3 0

Answer:

46mi

Step-by-step explanation:

you add up all of the sides.

So:

6+6+15+19= perimeter

HOPE THIS HELPS!!

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(8x 2 −15x)−(x 2 −27x)=ax 2 +bxleft parenthesis, 8, x, squared, minus, 15, x, right parenthesis, minus, left parenthesis, x, squ

quester [9]

Answer:

Step-by-step explanation:

Given the expression (8x² −15x)−(x² −27x) = ax² +bx, we are to determine the value of b-a. Before we determine the vwlue of b-a, we need to first calculate for the value of a and b from the given expression.

On expanding the left hand side of the expression we have;

= (8x² −15x)−(x² −27x)

Open the paranthesis

= 8x² −15x−x²+27x

collect the like terms

= 8x²−x²+27x −15x

= 7x²+12x

Comparing the resulting expression with ax²+bx

7x²+12x = ax²+bx

7x² = ax²

a = 7

Also;

12x = bx

b =12

The value of b - a = 12 - 7

b -a = 5

Hence the value of b-a is equivalent to 5

3 0

3 years ago

This is due in one hour

UNO [17]

Answer:

The answer to the first one is y = 4/7 x − 13 /7

The second one is already in standard form

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Kenny drew and cut out a angle that mesures 85 degrees beginning at the vertex he cut the angle into two angles one of the new a

Whitepunk [10]

The measure of the new angle is 65 degrees

7 0

3 years ago

Read 2 more answers

Whats the correct answer ?

11Alexandr11 [23.1K]

Answer:

$80, $48

Step-by-step explanation:

The original price was x.

The price is reduced by 40%. The markdown is 40% of x, or 0.4x.

The actual dollar amount of the markdown is $32.

That means that 0.4x must equal $32.

We set up an equation and solve for x, the original price.

0.4x = 32

Divide both sides by 0.4

x = 32/0.4

x = 80

The original price is $80.

The markdown is $32.

$80 - $32 = $48

The marked down price is $48.

Answer: $80, $48

3 0

3 years ago

What is 3/4 = w + 2/5

shusha [124]

Convert all fractions to have the same denominator.

To convert, we must find the least common multiple of the two denominators of the fractions:

Multiples of 4: {4,8,12,16,20}
Multiples of 5: {5,10,15,20}

The least common multiple of 4 and 5 is 20.

Multiply the fractions by a number that will result in the denominator being 20:

$\frac{3}{4} * \frac{5}{5} = \frac{15}{20}$

$\frac{2}{5} * \frac{4}{4} = \frac{8}{20}$

The equation should now look like this:

$\frac{15}{20} = w + \frac{8}{20}$

Subtract both sides by 8/20 to get w by itself:

$\frac{15}{20} - \frac{8}{20} = \frac{7}{20}$

$w = \frac{7}{20}$

The value of w is 7/20.

7 0

3 years ago

Read 2 more answers

There is a lot of poins pleas help meee​

There is a lot of poins pleas help meee