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nalin [4]
3 years ago
7

I need help with this question. ​

Mathematics
1 answer:
Zinaida [17]3 years ago
8 0

Answer:

smallest value of x = -6

Largest value of x= 6

Step-by-step explanation:

Set equal then factor

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Find the value of x that makes each parallelogram the given type (answer both please)
alekssr [168]

Answer:

a. x = 12

b. x = 4

Step-by-step explanation:

a. RECTANGLE

ABCD is a rectangle, AC and BD are its diagonals.

Diagonals of a rectangle are congruent.

Therefore,

AC = BD

10x + 8 = 9x + 20

10x - 9x = 20 - 8

x = 12

b. RHOMBUS

Diagonal of a rectangle bisect opposite angles.

Therefore,

(5x + 3)° = (2x + 15)°

5x + 3 = 2x + 15

5x - 2x = 15 - 3

3x = 12

x = 12/3

x = 4

3 0
3 years ago
Read 2 more answers
Without using a calculator and with a simple approach, explain how to use reasoning and mental arithmetic to determine which of
Iteru [2.4K]

Answer:

Cereal B

Step-by-step explanation:

Given are two different rates for cereals A and B.

as Cereal A: 15oz for $2.95 or Cereal B: 32oz for $5.95

As such we cannot compare unless we make it unit rate for same number of units

Let us find unit oz rates

Cereal A per oz= \frac{2.95}{15} =0.1967dollars

Cereal B per oz = \frac{5.95}{32} =0.1859dollars

Comparing unit rates per ounce,

we find that Cereal B per oz is lower.

Answer is Cereal B.

4 0
3 years ago
I need help please help....
Margarita [4]

Answer:

27300

Step-by-step explanation:

21%/100=0.21

Then I multiplied 0.21 with the total number of people

0.21*130000=27300

5 0
3 years ago
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X + y^2 = 1<br><br> How do you solve for y?
77julia77 [94]
Try this answer.......

(click on the picture if you don't know what i am talking about)

4 0
3 years ago
A splice uses 24 centimetres of rope when two ropes are tied together. What basic fraction is this a 300 centimetre spliced rope
Vikki [24]

so 24cm out of 300 cm is spliced

24/300 is the fraction

we can simplify this by dividing top and bottom by 3 to get

8/100

we can divide top and bottom by 4 to get

2/25 is the most simplified fraction

3 0
4 years ago
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