Which one goes first a negative or a positive

1 answer:

6 0

no number can have a positive and a negative at the same time. a negative number has a negative sign and a positive number has a plus sign.

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A certain television is advertised as a 80-inch TV (the diagonal length). If the

Aleksandr [31]

Answer: 48 inches tall

Step-by-step explanation: (I just learned this) First, you square 80 and 64. 80 will be 6400 and 64 will be 4096. Then you use the Pythagorean Theorem, which is a² + b² = c². A. and B. are the legs in a triangle and C. is the hypotenuse. If you have A. and C. but not B, you square A. and C. and subtract C. from A. Then, after you get the number, you square that number, which will be√(2304), which makes 48.

3 0

2 years ago

Can someone please give me the (Answers) to this? ... please ... I need help….

Mrac [35]

Answer:

Step-by-step explanation:

5. x/7 = 9/x

x^2 = 63

x= 3 $\sqrt{7}$

6. x/84 = 16/x

x^2 = 1344

x=8 $\sqrt{21}$

7. x/12 = 12/16

16x=144

x=9

8. x/48 = 48/64

64x=2304

x=36

5 0

1 year ago

Read 2 more answers

Bill spent 70 on fertilizer and weed killer for his lawn .Each pound of fertilizer cost 50 cents and each once of weed killer co

meriva

An equation that correctly represent this relationship if x represents the number of pounds of fertilizer and y the number of ounces of weed killer is 0.5x + 3.5y = 70

Solution:

Given that, Bill spent 70 on fertilizer and weed killer for his lawn

Each pound of fertilizer cost 50 cents and each once of weed killer cost 3.50

We have to write an equation, if x represents the number of pounds of fertilizer and y the number of ounces of weed killer.

Now, total amount = amount for fertilizers + amount for weed killers.

Total amount = number of pounds of fertilizers x cost per pound + number of ounces of weed killer x cost per ounce.

$\begin{array}{l}{\rightarrow 70=x \times 0.50+y \times 3.50} \\\\ {\rightarrow 0.5 x+3.5 y=70}\end{array}$