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choli [55]
3 years ago
5

Express as a sum: x–y–z plz help i will give branilly for the correct answer

Mathematics
1 answer:
babymother [125]3 years ago
3 0

Answer:

i am positive it is x+y+z

Step-by-step explanation:

i'm so sorry if this is wrong..hope this helped :)

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In ΔDEF, d = 92 cm, e = 42 cm and ∠F=141°. Find the length of f, to the nearest centimeter.
tresset_1 [31]

Answer:

f=127 cm

Step-by-step explanation:

Law of Cosine:

x squared=92 squared+42 squared-2(92)(42)(cos 141)

x squared =8464+1764-7728(cos 141)

x=127 cm

5 0
3 years ago
5th-6th grade math ^-^
mars1129 [50]

Answer:

15

Step-by-step explanation:

When you find the sum of 3 and 5 you get 8, which represents the total number of vehicles used in the trucks to cars ratio.

This means that the ratio of cars to total vehicles in this ratio is 5 to 8. Because there are 24 vehicles in the parking lot, and 8 × 3 = 24, you can multiply the entire ratio by three to get your answer:

5 to 8 ⇒ 15 to 24

Therefore, the number of cars in the parking lot is 15.

7 0
3 years ago
Read 2 more answers
PLS ANS THIS QUESTION PLS (WITH STEPS) IT WILL BE A GREAT HELP
VARVARA [1.3K]

Answer:

6x² – 10y² + 2xy + 10

Step-by-step explanation:

We'll begin calculating the sum of

x² + 3y² – 6xy and 2x² – y² + 8xy + 8

This can be obtained as follow:

... x² + 3y² – 6xy

+ 2x² – y² + 8xy + 8

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

3x² – 2y² + 2xy + 8

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Next, we shall determine the sum of:

–3x² + 4y² + 3 and 4y² – 5

This can be obtained as follow:

–3x² + 4y² + 3

+ 4y² – 5

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

–3x² + 8y² – 2

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

Finally, we shall subtract the sum of:

–3x² + 4y² + 3 and 4y² – 5

from the sum of:

x² + 3y² – 6xy and 2x² – y² + 8xy + 8

This can be obtained as follow:

.. 3x² – 2y² + 2xy + 8

– (–3x² + 8y² – 2)

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

6x² – 10y² + 2xy + 10

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

5 0
2 years ago
A trangle has a 30 angle and a 55angle .what is the other angle ?how do you know?​
algol [13]

Answer:

95°

Step-by-step explanation:

  • <em>Sum of 3 angles of a triangle equals to 180°</em>

<u>Here we have angles of 30° and 55°, so the remaining angle is:</u>

  • 180° -(30° + 55°) = 95°
5 0
3 years ago
A rectangle has a side length of 3 feet and an area of 24 squared feet. A larger similar triangle has a corresponding length of
Zinaida [17]
3*w=24
w=8
9/3=3
8*3=24

9*24=216
7 0
3 years ago
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