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Ket [755]
3 years ago
9

(-7.5) - 3.3 simplify the expression

Mathematics
2 answers:
dlinn [17]3 years ago
8 0
The answer to your question is <span>−10.8</span>
rodikova [14]3 years ago
4 0
The answer is -10.8
because if you take a -7.5 and subtract a -3.3 from it, you get -10.8.

Please rate this brainliest. :)
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How do I find the missing sides in this triangle?
stiv31 [10]

Answer:

This is a 30-60-90 triangle so you would do this formula:

Short side (opposite the 30 degree angle) = x.

Hypotenuse (opposite the 90 degree angle) = 2x.

Long side (opposite the 60 degree angle) = x√3.

Step-by-step explanation:

6 0
3 years ago
I’m really struggling with these proofs. We just started learning them and I’m highly confused!! Please help :)
gulaghasi [49]
I'm not sure about what exactly your teacher is looking for, but the actual congruency conjecture you would use is:

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8 0
3 years ago
Solve for x 0°&lt;x&lt;360<br>3cos2x +sinx=1​
BartSMP [9]

Step-by-step explanation:

3cos2x +sinx=1

3(1-2sin²x)+sinx=1

3-6sin²x+sinx=1

sinx(-6sinx+1)=1

either

sinx=1

sinx=sin(90)

:.x=90

or

-6sinx+1=1

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8 0
3 years ago
An equivalent expression to 5/3 - x + 1/3?
zvonat [6]

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6 0
3 years ago
Carmen saved 592 pennies. Her sister saved 128 pennies. Together, they put 250 pennies in wrappers and took them to the bank. Wh
Ne4ueva [31]

Answer:

500 pennies

Step-by-step explanation:

Given that

Carmen saved 592 pennies.

Her sister saved 128 pennies.

Together, they put 250 pennies in wrappers and took them to the bank

We need to find out the total number of pennies Carmen and her sister have left

So,

= 592 pennies + 128 pennies  - 250 pennies

= 470 pennies

= 500 pennies

7 0
3 years ago
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