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Nimfa-mama [501]
3 years ago
14

Simplify the expression (-7)2.-1449-4914OwO

Mathematics
2 answers:
MissTica3 years ago
8 0

Answer:

-14

Step-by-step explanation:

-7*2= -14

Fofino [41]3 years ago
8 0
-14 because -7•2= -14. I think that’s the answer
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A rectangular rug has an area of 1 4/5 square yards. The width of the rug is 1 1/2 yards. What is the length,in yards,of the rug
vichka [17]

Answer:

1.2

Step-by-step explanation:

If you multiply the length by the width to find area, then you can divide the area by the width to find the length.


1\frac{4}{5} ÷ 1\frac{1}{2} = 1.2

7 0
3 years ago
There are 750 toothpicks in a regular sized box. If a jumbo box is made by doubling all the dimensions of the regular sized box,
Serga [27]

To answer this, let the 3 sides of the regular sized rectangular box be x, y, and z.

When we double all the sides, the new sides have lengths 2x, 2y, and 2z, respectively.

Since the regular box (with dimensions x,y, and z) have 750 toothpicks, we can write

xyz=750

Similarly we can write for the jumbo box as,

(2x)(2y)(2z)

which is equal to 8(xyz)

So this is 8 times the original of xyz. Hence the jumbo box will have 8 times 750 number of toothpicks.

ANSWER: 8*750=6000 toothpicks

7 0
3 years ago
Read 2 more answers
|(a + b)x + y = 4<br> |x + (a - b)y + 10
leonid [27]

I don't know the answer but try using PEMDAS. (Parentheses, Exponents, Multiplication, Division, Addition, and then Subtraction)

4 0
3 years ago
Need help solving these 3 equations, please help.
pantera1 [17]
1.) r=-1/3
2.) x=-33/29
3.) x=-4/5 x=2/5
3 0
3 years ago
What is the radius for the circle given by the equation x^2+(y -3)^2 = 21
MatroZZZ [7]

\bf\textit{equation of a circle}\\\\(x- h)^2+(y- k)^2= r^2\qquadcenter~~(\stackrel{}{ h},\stackrel{}{ k})\qquad \qquadradius=\stackrel{}{ r}\\\\[-0.35em]\rule{34em}{0.25pt}\\\\x^2+(y-3)^2=21\implies (x-0)^2+(y-3)^2=(\sqrt{21})^2\qquad \begin{cases}center~(0,3)\\r=\sqrt{21}\end{cases}\\\\\\r\approx 4.58257569495584000659\implies r = \stackrel{\textit{rounded up}}{4.583}

3 0
3 years ago
Read 2 more answers
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