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natima [27]
3 years ago
8

Evaluate x (5-y) ; use x=6,and y=1​

Mathematics
1 answer:
Zolol [24]3 years ago
6 0

Answer:

24

Step-by-step explanation:

x (5-y)

Let x=6,and y=1​

6(5-1)

PEMDAS says parentheses first

6(4)

24

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Divide. ​ 5 1/4÷1/3 ​ Express your answer as a mixed number in simplest form. Enter your answer in the box.
julsineya [31]

Answer:

15 and 3/4 will be your answer

3 0
2 years ago
ms.halquist and 3 friends went to eat sushi.The meal cost 45$ and they paid waitress a 15%tip .how much was the bill?
brilliants [131]

Answer: 51.75$

Step-by-step explanation: First, turn 15% into the decimal 0.15, then multiply by 45, which equals 6.75. Now add 6.75, which is the amount the waitress got tipped to 45, which equals 51.75$ total.

5 0
2 years ago
The sum of 3 times a number and 7 is 25
hammer [34]

Mathematically written:

3 * x + 7 = 25

3x + 7 = 25

3x = 25 - 7

3x = 18

x = 18 / 3

x = 6



Proof:

3 * 6 + 7 = 25

18 + 7 = 25

25 = 25 → both sides of the equation are equal, our answer is correct



Notes:

A number - Is an unknown number, called a variable, which in this case is substituted by the letter x.





Hope it helped,




BioTeacher101


5 0
3 years ago
Read 2 more answers
HELP <br> Tell wether the angles are adjacent,vertical, or neither.
mote1985 [20]

Answer:

  • 1. Adjacent, 2. Vertical, 3. Neither

Step-by-step explanation:

1.

  • The first pair is adjacent as they have common side.

2.

  • The second pair is vertical as opposite angles of the crossed lines.

3.

  • The third pair has no relationship with each other, so neither is the answer.
6 0
2 years ago
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Proving the Parallelogram Diagonal Theorem
lora16 [44]

Answer:

The proof is given below.

Step-by-step explanation:

Given a parallelogram ABCD. Diagonals AC and BD intersect at E. We have to prove that AE is congruent to CE and BE is congruent to DE i.e diagonals of parallelogram bisect each other.

In ΔACD and ΔBEC

AD=BC              (∵Opposite sides of parallelogram are equal)

∠DAC=∠BCE       (∵Alternate angles)

∠ADC=∠CBE        (∵Alternate angles)

By ASA rule, ΔACD≅ΔBEC

By CPCT(Corresponding Parts of Congruent triangles)

AE=EC and DE=EB

Hence, AE is conruent to CE and BE is congruent to DE


3 0
3 years ago
Read 2 more answers
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