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Alja [10]
4 years ago
11

I Need Help! Asap, Please & Thank You! I don't really understand what it means, or even how to answer it, for that matter, i

f someone could help, i'd be gladly appreciated!!

Mathematics
2 answers:
scZoUnD [109]4 years ago
4 0

Answer:

Give me brainliest and Keep it there bc I need to rank up pls!

Step-by-step explanation:

Mandarinka [93]4 years ago
4 0

Answer:

Make the other account NOT THIS ONE brainliest! Thank you and your a big help!

Step-by-step explanation:

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A rectangular picture frame has outside dimensions of 8 inches wide and 10 inches tall. If the glass on the picture frame has an
Leto [7]

Answer:

1 inch

Step-by-step explanation:

If we call the thickness of the frame x, then the dimensions of the glass are:

w = 8 − 2x

h = 10 − 2x

The area of the glass is width times height:

48 = (8 − 2x) (10 − 2x)

Distribute and simplify:

48 = 80 − 16x − 20x + 4x²

0 = 4x² − 36x + 32

0 = x² − 9x + 8

Factor and solve:

0 = (x − 1) (x − 8)

x = 1 or x = 8

x can't be more than 4 (half the width of the frame), so x = 1 inch.

7 0
3 years ago
Which values of a and b make the following equation true? (5x7y2)(-4x4y5)=-20xayb
Kaylis [27]

Answer:

The values of a and b are a = 11 , b = 7

Step-by-step explanation:

* Lets explain how to solve the problem

* In the exponential functions we have some rules

1-  In multiplication if they have same base we add  the power

# Ex: b^m  ×  b^n  =  b^(m + n) ⇒ b is the base , m and n are the powers

2- In division if they have same base we subtract  the power

# Ex: b^m  ÷  b^n =  b^(m – n) ⇒ b is the base , m and n are the powers

3- If we have power over power we multiply them

# Ex: (b^m)^n = b^(mn) ⇒ b is the base , m and n are the powers

* Lets solve the problem

∵ The equation is (5x^{7}y^{2})(-4x^{4}y^{5})=-20x^{a}y^{2} ⇒ (1)

- At first multiply the coefficients

∵ -4 × 5 = -20

- Multiply the base x

∵ (x^{7})(x^{4})=x^{7+4}=x^{11}

- Multiply the base y

∵ (y^{2})(y^{5})=y^{2+5}=y^{7}

∴ (5x^{7}y^{2})(-4x^{4}y^{5})=-20x^{11}y^{7} ⇒ (2)

- By comparing (1) and (2)

∴ a = 11 and b = 7

* The values of a and b are a = 11 , b = 7

5 0
3 years ago
Read 2 more answers
Use inverse operations to solve X - 5.6 = -1.7
DedPeter [7]
The inverse operation of subtraction is addition. Lets use the inverse operation to solve x. Lets do it:-

x - 5.6 = -1.7
-1.7 + 5.6 = x
-1.7 + 5.6 = 3.9 
x = 3.9

CHECK OUR WORK:-

3.9 - 5.6 = -1.7
We were RIGHT!!

So, x = 3.9.

Hope I helped ya!! 
4 0
4 years ago
Read 2 more answers
If the point M(2,2) is reflected over the y axis, what will be the coordinates of the resulting point, M’?
NeTakaya

Answer:

-8,5

Step-by-step explanation:

8,5 because the "m" is 5 squares down and 8 squares to the right.

3 0
3 years ago
Solve for x in x^3+64=0
lozanna [386]
X=-4, the cube root of -64 is 4. (subtract 64 from both sides and find cube root)
6 0
4 years ago
Read 2 more answers
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