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Alina [70]
3 years ago
10

PLEASE HELP QUICK!!!!!!

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0
8 * (4 + 7) = 32 + x
8 * 11 = 32 + x
88 = 32 + x
88 - 32 = x
56 = x
Kruka [31]3 years ago
4 0
Your answer would be (c) 56.

Your first step would be to solve the problem in the parentheses, ( ) because according to PEMDAS the P for parentheses indicate that you must solve that part of the equation first. 

So, 4 + 7 = 11. 

Then you would multiply 11 and 8 (11 x 8) which equals 88. 

Now you move on to the second part. 

You want both the second part and the first part to equal each other. 

So take 88 and subtract it from 32 (88 - 32) which equals your answer of 56. 

So in conclusion, 8 x (4 + 7) = 88 and 32 + 56 = 88 now both equations are equal. 
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Is -17/-40 equal to -0.425
Ne4ueva [31]

No, because if you do -17/-40 you would get a positive answer of 0.425 and it would not equal -0.425.

5 0
2 years ago
Read 2 more answers
The area of a rectangle is 96.3 calculate the width of the rectangle
Greeley [361]
Answer: Width = 96.3cm/Length

Step-by-step explanation:

Area of a rectangle= Length multiplied by Width

Therefore Width of a rectangle is calculated Area of a rectangle divided by Length

The Width of this rectangle is therefore 96.3cm/Length

(I hope that helps!!)
4 0
3 years ago
A motel clerk counts his​ $1 and​ $10 bills at the end of the day. He finds that he has a total of 55 bills having a combined mo
vfiekz [6]

Answer

39 bills of 1$

16 bills of 10$

Step-by-step explanation:

x-nr of $1

y-nr of $10

x*1+y*10=199

x+y=55 , x=55-y

so  I use the substitution method

(55-y)*1+10y=199

55+10y-y=199

-55            -55

9y=144

y=144/9

y=16

so x=55-16

     x=39

verify 16*10+39*1=160+39=199

4 0
3 years ago
Read 2 more answers
PLEASE HELP 15 POINTS please give right answer​
BlackZzzverrR [31]

Answer:

pretty sure it's D........

3 0
3 years ago
Use a graphing utility to approximate (to two decimal places) any relative
iogann1982 [59]

Answer:

Relative minima at (-\frac{7}{2} , -\frac{49}{4} ), and relative maxima DNE.

Step-by-step explanation:

The given function is f(x) = x (x + 7) ...... (1)

We have to calculate the relative maxima and relative minima at point (x, y).

Rearranging the function given above we get.

y= x^{2} +7x = (x + \frac{7}{2} )^{2} -\frac{49}{4}

⇒ y+ \frac{49}{4} = (x + \frac{7}{2} )^{2}

Now, this is an equation of parabola having vertex at (-\frac{7}{2} , -\frac{49}{4} ) and the axis is parallel to positive Y-axis.

Therefore, the function(1) has a relative minima at (-\frac{7}{2} , -\frac{49}{4} ), and the relative maxima DNE. (Answer)

3 0
3 years ago
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