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murzikaleks [220]
3 years ago
14

Please help thank you

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
5 0

Answer:

the first one maybe?

Step-by-step explanation:

Volgvan3 years ago
3 0

Answer:

irs the first one for sure

Step-by-step explanation:

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Five times the difference of twice a number and nine is negative five. Find the number.
Ilya [14]

Answer:

x = 4

Step-by-step explanation:

Step 1: Write out the expression

5(2x - 9) = -5

Step 2: Solve for <em>x</em>

10x - 45 = -5

10x = 40

x = 4

4 0
3 years ago
Read 2 more answers
1.Define phase shift. Could every sine function be expressed as a phase shifted cosine function? Explain.
Ann [662]
A phase shift is defined as the a<span>mount of x by which sinusoid is shifted to the left or right.
 
And yes, </span><span>every sine function be expressed as a phase shifted cosine function:
</span>
sin(t)=cos(90-t)

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
4 0
3 years ago
Expand and simplify the following:<br> 6x - 3(2x-1)
vesna_86 [32]

Answer:

3

Step-by-step explanation:

=6x-3(2x-1)

=6x-6x+3

=3 Answer

3 0
3 years ago
A washer and dryer cost $918 combined . The washer cost $68 more than the dryer . What's is the cost of the dryer ?
atroni [7]
The answer is 850! You subtract 918 and 68 to get your answer. To check it you just add 68 to 850. Good luck!
7 0
3 years ago
1) Select the characteristics that are true of all parallelograms. Group of answer choices Opposite sides are never equal. Oppos
drek231 [11]

Answer:

- Opposite angles are congruent (equal).  

- Parallelograms have 4 sides

- Opposites sides are parallel and equal in length.

Step-by-step explanation:

A parallelogram is a quadrilateral and since quadrilaterals are fur sided figures, hence parallelograms are also four sided figures.

A parallelogram has its opposite side equal and parallel to each other with a slanting edge at two of its sides. Since its opposite sides are equal hence its opposite angles are also equal.

Parallelogram cannot have more than four sides because they are quadrilateral. Find the diagram of a parallelogram in the attached figure.

It can be seen from the attached figure that AB//CD and AD//BC

7 0
3 years ago
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