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3 years ago

Please answer with an exploration

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

5 0

Answer:part 1: x=1/26 part 2: x=1/50

Step-by-step explanation:part 1: 26x/26=1/26 part 2: 50x/50=1/50

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0.5+0.3-(-0.5--0.3) I AM SOOOO SRRY GUYS

11Alexandr11 [23.1K]

Answer:

0.5+0.3-(-0.5-0.3)

=1.6

3 0

3 years ago

Use the quadratic formula to find both solutions to the quadratic equation given below. 2x^2+3x-5=0

Alisiya [41]

Answer:

x=1 and x= -2.5

Step-by-step explanation:

✯Hello✯

The quadratic formula is x=-b+-(sqrt)b^2-4ac/2a

A = 2

B= 3

C = -5

PLUG THESE VALUES INTO THE QUADRATIC FORMULA

we can see that x=1 and x= -2.5

❤Gianna❤

4 0

3 years ago

Read 2 more answers

If sinA =3/5 and A+B =90 find cosB

-Dominant- [34]

$A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}$

$Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1$

Other method:

Look at the picture.

$\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5$

$\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}$

8 0

3 years ago

Mrs. porter's cat weighs 6kg. her dog weighs 22kg more than her cat. what is the total weight of her cat and dog?

yan [13]

Cat= 6kg
Dog = 6kg + 22kg
Total weight = 6kg + 6kg + 22kg
Total weight = 34kg

8 0

3 years ago

A box of cereal weighs 600 grams how much is this weight in pounds

nlexa [21]

Answer:

Weight of cereal in box in pound is 1.32277 pound

Given that;

Weight of cereal in box = 600 grams

Find:

Weight of cereal in box in pound

Computation:

1 gram = 0.00220462 pound

So,

600 gram = 600 × 0.00220462 pound

600 gram = 1.32277

Weight of cereal in box in pound = 1.32277 pound

Step-by-step explanation:

<h2>HOPE IT HELPS YOU</h2>

5 0

2 years ago

Read 2 more answers