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2 years ago

Got another question for ya

Mathematics

2 answers:

soldi70 [24.7K]2 years ago

8 0

The slope is -2/3. use the slop form y = mx + b

borishaifa [10]2 years ago

6 0

Answer: -2/3

Explanation: y = mx + b
m is the slope

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Jessica needs to make a necklace for 3 of her friends, including her. she wants to use 4.5 inches of string for each necklace. s

hoa [83]

Answer:

She can make two necklaces with 10 inches. 8 more inches

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

is (-1/2 x + 6/7) - (7/2 x - 4/7) equivalent to -4 x + 2/7 ? use the properties of operations to justify your answer

LuckyWell [14K]

Answer:

The given equation is NOT justified.

Step-by-step explanation:

Here, the given equation is $(\frac{-1}{2}x + \frac{6}{7} ) - (\frac{7}{2}x - \frac{4}{7} )$ = $-4x + \frac{2}{7}$

Now, here Consider the left hand side and simplifying the left side by operating on the like terms,

⇒ $(\frac{-1}{2}x + \frac{6}{7} ) - (\frac{7}{2}x - \frac{4}{7} )$ = $\frac{-1}{2}x + \frac{6}{7} - \frac{7}{2}x + \frac{4}{7} = (\frac{-1}{2}x -\frac{7}{2}x) + (\frac{6}{7} + \frac{4}{7})$

= $(\frac{-1 - 7}{2}x ) + (\frac{6 + 4}{7} ) = \frac{-8x}{2} + \frac{10}{7} \neq -4x + \frac{2}{7}$

Here, Left side of equation ≠ Right side of the equation

Hence, $(\frac{-1}{2}x + \frac{6}{7} ) - (\frac{7}{2}x - \frac{4}{7} )$ ≠ $-4x + \frac{2}{7}$

4 0

3 years ago

Use factoring to solve <br> x^2-2x-35=0

mrs_skeptik [129]

Answer:

I'm sorry I don't have an answer but for all future math work you should download photomath on your phone it's rly good

7 0

3 years ago

Read 2 more answers

There are 2 boys for every 3 girls. Today 5 new boys were added making the number of girls and boys the same. How many boys and

Anna11 [10]

Answer:

10 boys, 15 girls

Step-by-step explanation:

Original ratio: 2 boys/3 girls

let x be the scale factor of the ratio

2x plus 5 boys over 3x girls = 1 (because the # of boys/girls are the same)-------> 2x+5/3x = 1

Simplify: 2x+5=3x

Simplify: 5=x

plug x back into the original ratio: 10/15

Check: 10/15 = 2/3

10 boys + 5 boys = 15, 15/15 = 1

5 0

2 years ago

HELP!!! GOTTA TURN IT IN AT 2:OOam

fredd [130]

Answer:

C, 23 square feet

Step-by-step explanation:

we can start by finding the area of Stephan's playroom

this is modeled by

11*11=121

Next we can find the area of Carmen's playroom

we know his playroom is 1ft longer and wider

so the dimensions of his playroom is 12 by 12

the area can be modeled by

12*12=144

now we just need to subtract

144-121=23

3 0

3 years ago