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3 years ago

Will mark as brainliest (explain please)

Mathematics

1 answer:

Reptile [31]3 years ago

3 0

Answer:

Z = 53

Y = 74

Step-by-step explanation:

so a triangle, all angles equal up to 180 and also a straight line equals 180

so, 180 - 127 = 53

it is an isosceles triangle so the bottom 2 sides are the same number so angle Z = 53

add 53 and 53 because you need to subtract it from 180 to get y

53 + 53 = 106

the subtract 106 from 180

180 - 106 = 74

so angle y = 74

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Suponhamos que temos x casos confirmados de coronavírus e y casos suspeitos. A - Se triplicar os casos confirmados e cair a meta

aleksandr82 [10.1K]

Answer:

[3x + (y/2)]

Step-by-step explanation:

English Translation

Suppose we have x confirmed cases of coronavirus and y suspected cases. A - If the confirmed cases triple and half of the suspects fall, we will have the following expression to represent the total number of cases:

Solution

Number of confirmed cases = x

Number of suspected cases = y

Number of confirmed cases triples and becomes 3x

Half of the suspected cases fall and becomes (y/2)

Total number of cases then becomes

[3x + (y/2)]

In Portugese/Em português

Número de casos confirmados = x

Número de casos suspeitos = y

O número de casos confirmados triplica e se torna 3x

Metade dos casos suspeitos cai e se torna (y / 2)

O número total de casos passa a ser

[3x + (y / 2)]

Hope this Helps!!!

Espero que isto ajude!!!

8 0

3 years ago

If 80% of the athletes who test positive for steroids in fact use them, and 20% of all athletes use steroids and test positive,

sergey [27]

Pretty sure you just add 80% and 20% to get 100%, hope this helps....

8 0

3 years ago

HELPP FAST IS IT RIGHT

dexar [7]

Answer:

Yes it is

Step-by-step explanation:

8 0

3 years ago

Lilianna uses 3/4 calories per minute just by sitting. She uses 1 more calorie per minute by walking. Liliana uses a total of 12

Anon25 [30]

Answer:

Variable d represents the time per minute Lilianna spends in the park.

Step-by-step explanation:

Lilianna uses $\frac{3}{4}$ calories per minute just by sitting. She uses 1 more calorie per minute by walking.

Liliana uses a total of $12\frac{1}{4}$ calories walking to the park.

Lilianna uses the equation, $d(\frac{3}{4}+1)=12\frac{1}{4}$ to represent the situation.

Here, variable d represents the time per minute she spends in the park.

and is given as,

$d(\frac{3}{4}+1)=12\frac{1}{4}$

It can be written as,

$d(\frac{3}{4}+1)=\frac{49}{4}$

Solving for d,

$d(\frac{3}{4}+1)=\frac{49}{4}$

$\Rightarrow d(\frac{3+4}{4})=\frac{49}{4}$

$\Rightarrow d(\frac{7}{4})=\frac{49}{4}$

$\Rightarrow d=\frac{49 \times 4}{4 \times 7}$

$\Rightarrow d=7$

Thus, she spend d= 7 minutes total to the park.

5 0

3 years ago

A designer places 4 identical squares on a surface and spaces them 3 5/16 inches apart. Each square is 7 1/4 inches wide. If you

Anon25 [30]

Number of spaces would be number of squares - 1

You would have 12 squares and 11 spaces.

Multiply number of each by their size then add the two together:

12 x 7 1/4 = 87 inches

11 x 3 5/16 = 36 7/16 inches

Total = 87 + 36 7/16 = 123 7/16 inches

Answer: 123 7/16 inches

6 0

3 years ago