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2 years ago

Help me please!!!!!!!!!!!!!!!!!!!!!!!! Will give 5 star and brainliest

Mathematics

1 answer:

Agata [3.3K]2 years ago

7 0

Answer:

B. $3927.54

Step-by-step explanation:

just took the test

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A textbook store sold a combined total 402 of psychology and math textbooks in a week. The number of psychology textbooks sold w

uranmaximum [27]

Answer:

The number of textbooks of each type were sold is <u>134 math </u>and <u>268 psychology </u>books.

Step-by-step explanation:

Given:

Total number of math and psychology textbooks sold in a week is 402.

Now, let the number of math textbooks sold be $x$ .

And, the number of psychology textbooks be $2x$ .

According to question:

$x+2x=402$

$3x=402$

Dividing both sides by 3 we get:

$x=134$

So, total number of math textbooks were 134 .

And, total number of psychology textbooks were $2x=2\times 134$

$=268$ .

Therefore, the number of textbooks of each type were sold is 134 math and 268 psychology books.

4 0

2 years ago

Carlos has 58 pencils what is the value of the digit 5 in this number

djverab [1.8K]

It would be 50 because the 5 is in the tens spot

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2 years ago

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Kyle has created a video game called Falling Stars in which the player zaps stars from the sky. A certain number of stars must b

Tcecarenko [31]

Answer:the answer is D) 5(30 - 5) + 40; 165 stars

Step-by-step explanation:because you multiply the number of levels between Level 30 and Level 5 by 5 stars per level. Add the number of stars needed in Level 5.

5(30 - 5) + 40

5(25) + 40

165 stars

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2 years ago

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The Burns family went to breakfast at the huddle house. Mr. Burns ordered a meal for $7.75, Mrs. Burns ordered a meal for $ 9.50

kow [346]

Answer:

The bill excluding tax is $31.21 and the 20% tip was $6.24.

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2 years ago

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Type the correct answer in each box. Spell all the words correctly, and use numerals instead of words for numbers. If necessary,

Morgarella [4.7K]

Answer:

We can show that ∆ABC is congruent to ∆A′B′C′ by a translation of (x-2, y) unit(s) and a across the x-axis.

Step-by-step explanation:

The triangle ABC is shown in the image attached. The coordinates of the triangle are A(8, 8), B(10, 4), C(2, 6), while the triangle A'B'C' is at A'(6, -8), B'(8, -4), C'(0, -6).

A transformation is the movement of a point from its initial location to a new location. Types of transformation are rotation, translation, dilation and rotation.

If a point O(x, y) is translated a units on the x axis and b units on the y axis, the new coordinate is O'(x+a, y+b).

If a point O(x, y) is reflected across the x axis, the new coordinate is O'(x, -y)

Hence if triangle ABC is translated -2 units on the x axis (2 units left), the new coordinates are A*(6, 8), B*(8, 4), C*(0, 6). If a reflection across the x axis is then done, the new coordinates are A'(6, -8), B'(8, -4), C'(0, -6).

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2 years ago

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