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3 years ago

Decrease £250 by 15% I will give you 5 stars

Mathematics

1 answer:

sladkih [1.3K]3 years ago

8 0

Answer:

37.5

Step-by-step explanation:

10%=25

5%=12.5

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I dont get this problem

babymother [125]

The answer is 3

6r+2
R=1/6
6(1/6)+2
1+2=3

5 0

3 years ago

QUESTION 1 Evaluate −30 ÷ −6. a 5 b −5 c 6 d −6 QUESTION 2 Evaluate 62 ÷ (3 + 9). a3 b4 c12 d21 QUESTION 3 Danny made a mistake

Mashcka [7]

Answer:

A; ?; Line 3

Step-by-step explanation:

Question 1:

-30 divided by -6 is 5.

The negatives cancel each other out.

And 30 divided by 6 is simply 5.

Question 2:

$62\div(3+9)$

Do the operation inside the parenthesis first:

$62\div12$

Divide. 12 does not go into 62 evenly. 12 times 5 is 60, so the answer is 5 remainder 2:

$62\div12=5\text { R}2$

Or in fractions:

$31/6$

(Was there a typo? From what you've given me, the correct answer is not listed.)

Question 3:

So we have to following steps:

$\text{Line 1: } 21+35\div7+6(2)\\\text{Line 2: }21+5+6(2)\\\text{Line 3: }21+11(2)\\\text{Line 4: }21+22\\\text{Line 5: }43$

The mistake is in Line 3. Danny cannot just combine 5+6(2) into 11(2). Instead, he should multiply 6(2) and then add. Thus, the correct solution is:

$\text{Line 1: } 21+35\div7+6(2)\\\text{Line 2: }21+5+6(2)\\\text{Line 3: }21+5+12\\\text{Line 4: }26+12\\\text{Line 5: }38$

3 0

3 years ago

13. Which theorem or postulate proves the two triangles are similar? The diagram is not drawn to scale.

emmainna [20.7K]

The Answer is the AA Postulate

3 0

3 years ago

Read 2 more answers

Rewrite the quadratic equation in standard form y=5(x-2)^2+7

shusha [124]

Answer:

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

y=ax²+bx+c Simplify each term.

y=5x²−20x+20+7

Add 20 and 7.

y=5x²−20x+27

by-step explanation:

8 0

3 years ago

Read 2 more answers

If using the method of completing the square to solve the quadratic equation x2 + 3x - 17 = 0, which number would have to be add

MatroZZZ [7]

Answer:

Step-by-step explanation:

To solve using completing square, we need to write the equation as x2+3x=17.

The next step is to add a number such that the square can be completed. The number must be equal to (b/2a)^2, so here it will be (3/2)^2 = 9/4

The equation then becomes x2+3x+(9/4)=17+(9/4).

Solving it further will get you the final answer

8 0

3 years ago

Decrease £250 by 15% I will give you 5 stars​

Decrease £250 by 15% I will give you 5 stars