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Kitty [74]
3 years ago
14

100 points & will give brainliest!

Mathematics
2 answers:
lubasha [3.4K]3 years ago
8 0

\\ \sf\longmapsto \left\{x|3

The solution is

\\ \sf\longmapsto (3,4)\cup (4,13)

Now Find all elements

\\ \sf\longmapsto \left\{5,6,7,8,9,10,11,12\right\}

koban [17]3 years ago
5 0

Answer:

\displaystyle (3, 4) \cup (4, 13)

Step-by-step explanation:

We are given the set:

\displaystyle \left\{ x| 3 < x < 13 \text{ and } x \neq 4\right\}

And we want to express this in interval notation.

In words, this reads: all values of <em>x</em> between 3 and 13 and <em>x</em> does not equal 4.

Hence:

\displaystyle (3, 4) \cup (4, 13)

We use parentheses as we do not include the values of 3 and 13 inside our interval. Likewise, since <em>x</em> cannot equal 4, we skip four, but use the union symbol to connect the two intervals.

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What is the length of the base if the area is 32 cmand the height is 4 cm
vovikov84 [41]

Answer:

128,8,28,36

Step-by-step explanation:

if u multiply 32 times 4 u get 128 but if u subtract them u get 28

but if u divide them then u get 8 but if u also add them u get 36

7 0
3 years ago
Janet is painting her shed. She buys some gallon-sized paint cans that cost $15 each and 2 quart-sized paint cans that cost $4 e
blondinia [14]

1 gallon cost $15

1 quarts cost $4

1 quarts = 1/4 gallon

15x for number of gallon cans

2 cans at $4 each = $8

15x + 8 = 53

Subtract 8 from both sides:

15x = 53-8

15x = 45

Divide both sides by 15:

x = 45/15

x = 3

She bought 3 gallon cans of paint

Plus she bought 2 quart cans, which is equal to a half gallon.

She bought a total of 3.5 gallons of paint.

7 0
3 years ago
Pls help will give brainlest if it’s right :)
Sauron [17]
225, don’t be mad at me if I’m wrong, but my apologies if I am
8 0
3 years ago
Read 2 more answers
Please help me with thissss
Evgesh-ka [11]

Answer:

a.) The sum of the weights of the two in insects is 0.0031 grams. (0.0031 grams)

b.) The fly is 0.0013 grams heavier than the gnat. (0.0013 grams)

Step-by-step explanation:

2.2 * 10^-3 = 2.2 * 1/1000 which is 2.2/1000.

9 * 10^-4 = 9 * 1/10000 = 9/10000

To add 9/10000 to 2.2/1000 we have to find the common denominator, which will be 10000.

So we do:

2.2/1000 * 10/10 = 22/10000

9/10000 + 22/10000 = 31/10000 = 0.0031.

The sum of the weights of the two in insects is 0.0031 grams.

To find how much heavier the fly is than the gnat we do:

22/10000 - 9/10000 = 13/10000 = 0.0013

The fly is 0.0013 grams heavier than the gnat.

7 0
3 years ago
A rectangular swimming pool that is 10ft wide bu 16ft long is surrounded bu a cement sidewalk of uniform width. If the area of t
Bess [88]

The width of the sidewalk would be 10ft.

Sorry if incorrect

6 0
3 years ago
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