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2 years ago

WILL GIVE BRAINLIEST 50 POINTS

Mathematics

2 answers:

vivado [14]2 years ago

7 0

Answer:

94.5%

Step-by-step explanation:

0.2 x 0.95 (Quizzes)

+ 0.1 x 0.97 (Homework)

+ 0.35 x 0.92 (Unit Tests)

+ 0.35 x 0.96 (Speaking assignments)

= 0.945

Marat540 [252]2 years ago

4 0

Answer:

I think its 95.0%.But I am not sure about it

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Enter the coordinates of the point

agasfer [191]

Answer: $(\frac{\sqrt{3} }{2} ,-\frac{1}{2} )$

Step-by-step explanation:

this forms a 30 degree reference angle

and this is in the 4th quadrant

When the angle is 30 degrees, the coordinates are:

$(\frac{\sqrt{3} }{2} ,-\frac{1}{2} )$

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1 year ago

105=3x-15 what is the value of x

Aleks [24]

Answer:

105+15=3x

120=3x

x=40

be grateful, I don't help ppl usually

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2 years ago

2 is more than a number v

Snowcat [4.5K]

2 is more than a number v

2 > v is your equality

this means that v can be the number 1 or less

hope this helps

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3 years ago

Ella has 0.5 lbs of sugar. How much water should she add to make the following concentrations? Tell Ella how much syrup she will

HACTEHA [7]

Ella has to add 32.833 lbs of water to get 33.333 lbs of syrup.

Solution:

Ella has 0.5 lbs of sugar. Let x lbs be the amount of water Ella should add to get the 1.5% of syrup,

$\Rightarrow0.5\text{ lbs }- 1.5\%$

$\Rightarrow x+0.5\text{ lbs }- 100\%$

On writing the proportion,

$\Rightarrow\dfrac{0.5}{x+0.5}=\dfrac{1.5}{100}\\ \\\Rightarrow0.5\cdot 100=(x+0.5)\cdot 1.5\\ \\\Rightarrow50=1.5x+0.75\\ \\\Rightarrow1.5x=50-0.75\\ \\\Rightarrow1.5x=49.25\\ \\\Rightarrow x=\dfrac{49.25}{1.5}\approx 32.833\ lbs$

To get 1.5% syrup Ella should add 32.833 lbs of water. The total weight of syrup is 33.333 lbs.

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2 years ago

Expand and simplify (2x+1)(x+3)

Len [333]

Answer:

2x^2+7x+3

Step-by-step explanation:

(2x+1)(x+3)

2x^2+x+6x+3

2x^2+7x+3

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2 years ago