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mart [117]
3 years ago
12

The larger of the two positive numbers is 8 more than the smaller. The sum of their squares is 104. Find the two numbers.

Mathematics
1 answer:
poizon [28]3 years ago
4 0

Hey there!

Let's set up a system of equations to find our answer. We will use x and y, with y being the larger 1.

y=x+8

x²+y²=104

We plug our value for y into the second equation and we get that y is equal to two. We can then plug this into the first equation and we get 10.

Our two numbers are two and ten.

I hope this helps!

Let's plug our y value into the second equation.

x²+x²+64=104

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carly tutors stufents in math on the weekends and offers both thirty minute and sixtyminute sessions she earns $15for each thirt
Ronch [10]

Answer:

X=7

Step-by-step explanation:

7*15=105 7-2=5 5*25=125 125+105=230

6 0
2 years ago
The function f(t) = 33 sin (pi over 2t) − 20 models the temperature of a periodic chemical reaction where t represents time in h
Gennadij [26K]
The given function is
f(t) = 33 sin( \frac{ \pi }{2} t) - 20
with
t = time, hours
f = temperature, °C


Because the maximum and minimum values for the Sine function are +1 and -1 respectively,
The maximum value of f  = 33 - 20 = 13.
The minimum value of f = -33 - 20 = -53. 

The period, T,  is given by
\frac{2 \pi }{T} = \frac{ \pi }{2} \\ \\ T=4

Answer:
Maximum: 13°;  Minimum: -53°;  period: 4 hours
4 0
3 years ago
Which expression is equivalent to (8 a minus 3 b + 7) minus (2 a + b minus 4)? 6 a minus 2 b + 11 6 a minus 4 b + 3 6 a minus 2
bekas [8.4K]
This is how it turns out:

6 0
2 years ago
Read 2 more answers
-6(1+7x)+7(1+6x)=-2​
-BARSIC- [3]

-6(1+7x)+7(1+6x)=-2​

This is False.

Use distributive property:

-6 -42x + 7 +42x = -2

Combine like terms to get:

1 = -2

Since 1 is not -2, it is false.

8 0
3 years ago
Someone help with this question ?????? Hi
8090 [49]
ANSWER

The second statement is the contrapositive of the first.

EXPLANATION

If we have the conditional statement,

x\Rightarrow \: y

Then the converse of this statement is
y\Rightarrow \: x

The inverse of this statement is
\neg \: x\Rightarrow \neg \: y

and the contrapositive of this statement is
\neg \: y\Rightarrow \neg \: x

The correct answer is C.
5 0
3 years ago
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