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Diano4ka-milaya [45]
2 years ago
13

Can anyone help? PLS I NEED THIS BY TOMORROW!!

Mathematics
2 answers:
Sergeu [11.5K]2 years ago
8 0

Answer:

x = y = 10

Step-by-step explanation:

Using the cosine ratio in the right triangle and the exact value

cos45° = \frac{1}{\sqrt{2} } , then

cos45° = \frac{adjacent}{hypotenuse} = \frac{x}{10\sqrt{2} } = \frac{1}{\sqrt{2} } ( cross- multiply )

x × \sqrt{2} = 10\sqrt{2} ( divide both sides by \sqrt{2} )

x = 10

Since the base angles are 45° then the triangle is isosceles and the 2 legs are congruent, then

x = y = 10

Sveta_85 [38]2 years ago
4 0

Answer:5 or 5 degrees

Step-by-step explanation:

the box means 90 degree so if you divide 45 with 90 you get 2

2 divided by 10 = 5

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ehidna [41]

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y+4x=36

Step-by-step explanation:

the answer isn't in the choice

3 0
2 years ago
Please help in all :)
storchak [24]
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7 0
2 years ago
Myong is collecting rainwater for the garden in the first week she collected 5 gallons in the second week she collected 12 quart
RUDIKE [14]
1 gallon = 16 cups
1 quart = 4 cups
1 pint = 2 cups
Therefore...

Multiply
5 gallons × 16 cups = 80 cups
12 quarts × 4 cups = 48 cups
7 pints × 2 cups = 14 cups

Then...

Addition
80 cups + 48 cups + 14 cups = 142 cups

Answer
Myong has 142 cups of rainwater after 3 weeks of collecting rainwater.
5 0
3 years ago
Chandeliers that were one selling for $65 are now selling for $26 what is the discount as a percentage?
Andrew [12]

Answer: 60%

Step-by-step explanation:

Subtract Former price from current price/ former price, then multiply by 100

($65 - $26)/65 x 100

$39/65 × 100

=0.6 x100

=60%

I hope this helps.

4 0
3 years ago
Pls answer this pls i’m gonna die
Naily [24]

It 's an isosceles triangle if you look carefully. 2 Sides of the triangle are equal which is denoted by those marks. The angles opposite to the equal sides are always equal, so: m\angle FST = 64^\circ

By angle sum property, m\angle TFS = 180 - 2 * 64 = 180 - 128 = 52^\circ

52 degrees is the answer: Option D :D

3 0
3 years ago
Read 2 more answers
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