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Ahat [919]
3 years ago
5

Evaluate the expression for the given values of the variables.

Mathematics
2 answers:
Vesna [10]3 years ago
7 0

The answer is D or -30

Anna71 [15]3 years ago
4 0

 4(-5) + 7(3) + 3(-5) - 2(3) + 2(-5)

-20 + 21 + (-15) - 6 + (-10)

1 + (-15) - 6 + (-10)

(-14) - 6 + (- 10)

-14 + -6 + (-10)

-20 + -10

= -30

the answer is -30

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A circle has a diameter of 9cm
Katen [24]

For the square to fit inside the circle without touching it, the diagonal of the square needs to be less than the diameter of the circle.

Using the Pythagorean theorem we can calculate the diagonal of the square:

X = SQRT(5^2 + 5^2)

X = SQRT(25 + 25)

X = SQRT(50)

X = 7.07

The diagonal of the square is 7.07 cm, which is less than the diameter of the circle, 9cm, so it will fit .

8 0
3 years ago
Jen wants to tile the floor of her kitchen. The floor is rectangular and measures 12 feet by 8 feet. If it costs $2.50 per squar
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I hope this helps you

8 0
3 years ago
The three inside angles (A,B and C) of a right-angled triangle are in the ratio 7:18:11. Th smallest angle is 35. Work out angle
lions [1.4K]

Answer:

<A = 35degrees

<B =90degrees

<C = 55degrees

Step-by-step explanation:

Given the ratios of a triangle as 7:18:11

Total ratio = 7+18+11

Total ratio = 36

Since the smallest angle is 35degrees, hence <A = 35degrees

Get angle B;

<B = 18/36 * 180 (sum of angle in a triangle is 180degrees)

<B = 1/2 * 180

<B = 90degrees

Get angle C;

<C = 11/36 * 180

<C = 11 * 5

<C = 55degrees

Hence the value of A, B and C are 35, 90 and 55 degrees repectively

3 0
3 years ago
WILL
IRISSAK [1]

Answer:

-10, -|-8|, -(-2), |-11|, 5²

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
.............................
nikdorinn [45]

Answer:

B

Step-by-step explanation:

3/r=1/y-2/x

3/r=x-2y /xy

7 0
3 years ago
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