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Kaylis [27]
2 years ago
8

65 432m vuông = .........ha

Mathematics
1 answer:
aleksklad [387]2 years ago
3 0

Answer:

Step-by-step explanation:

they won't understand bạn hỏi trên hoidap247 đúng không :)

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A sporting goods store sells triangular team pennants in two sizes. The base of one pennant is 18 in. and the length of the side
Helen [10]
So if the larger pennant is 18”x 9” x 9”
and the smaller one is about the same in similar size, with the bass measuring 6”..
I would take the bases of both and divide them 6” smaller base goes in to the 18” larger base 3 times so I take the sides 9” and see what goes into it 3 times 9 divided by 3 is 3 .. so the sides would be 3 making the smaller triangle 6x3x3
8 0
3 years ago
What is the value of (Negative 14 Superscript 0 Baseline) Superscript negative 2? Negative StartFraction 1 Over 196 EndFraction
Nookie1986 [14]

Answer:

1

Step-by-step explanation:

Assuming, we want to find the value of ((-14)^0)^{-2}

Recall that: any non-zero number exponent zero is 1.

Using this property, we simplify our expression to (1)^{-2} since (-14)^0=1

Now using the property of exponents: a^{-n}=\frac{1}{a^n}

This implies that:1^{-1}=\frac{1}{1^2}=\frac{1}{1}=1

The correct answer is 1

5 0
4 years ago
Read 2 more answers
~~~15 POINTS~~~
Morgarella [4.7K]
Let's call Maria 'M' and Sal 'S'

Maria is 12 1/2 years older than Sal.

S + 12 1/2 = M

The sum of their ages is 28 1/2

S + M = 28 1/2

Solve for M in the second equation:

28 1/2 - S = M

The first equation is:

<span>S + 12 1/2 = M
</span>
Set them equal to each other since they both are equal to M.

28 1/2 - S = <span>S + 12 1/2
</span>
Basicaly, n = S, so your correct answer is B. 28 1/2 - n = n + 12 1/2
3 0
3 years ago
Can someone please help me with this
Alecsey [184]

angle at a straight line is =180

4+5+x=180

let x be angle at the tower

9+x=180

x=180-9

x=171°

and x is divide in to two then is 2x

there for

2x=171°

x=171/2

x=85.5°

then sin85.5°= 90/y

let y be the unknown feet

0.9969=90/y

y0.9969=90

y=90/0.9969

y=90.3ft.

7 0
3 years ago
A 100-point test contains a total of 20 questions. The multiple-choice questions are worth 3 points each, and the short response
Lena [83]

Answer: 8 short response questions and 12 multiple choice questions

Step-by-step explanation:

Let m represent multiple choice questions

Let s represent short response questions

m + s = 20 --> Amount of questions

3 m + 8 s = 100 --> Total number of points for each question

Solve using elimination, multiply the first equation by -3

-3m-3s=-60

3 m + 8 s = 100

----------------------

5s=40

s=8

m+8=20

m=20-8

m=12

Therefore, there are 8 short response questions and 12 multiple choice questions

4 0
3 years ago
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