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Juliette [100K]
3 years ago
14

10 x ( -9 + (-6) ) --------------------------

Mathematics
2 answers:
Rainbow [258]3 years ago
5 0

Answer:

Step-by-step explanation:

babymother [125]3 years ago
3 0

Answer:

This graph will help you.

Step-by-step explanation:

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What the unit rate for this? “9 inches of snow in 3 hous”
anastassius [24]

Answer:

3 inches per hour

Step-by-step explanation:

divide the number on the y axis (i'm assuming it's inches of snow) by the number on the x axis (i'm assuming its hours)

by doing this you will get 3 inches per hour

4 0
3 years ago
Mrs. Smith asked her students to make observations about the histogram, Annual Rainfall of Cities.
kakasveta [241]

Answer:

Maria and Antonio

Step-by-step explanation:

sorry if it's wrong

5 0
2 years ago
HELP ASAP question 5!!!
AnnyKZ [126]

Step-by-step explanation:

Total area of merged figure = area of vertical rectangle + area of horizontal rectangle.

\therefore \: 3x(2x - 7) + (3x + 4)x = 85 \\  \\  \therefore \: 6 {x}^{2}  - 21x+ 3 {x}^{2}  + 4x = 85 \\  \\ \therefore \: 6 {x}^{2}  + 3 {x}^{2} - 21x + 4x  - 85 = 0 \\  \\ \huge \red {\boxed {\therefore \: 9 {x}^{2}  - 17x  - 85 = 0}} \\ hence \: proved.

8 0
3 years ago
Read 2 more answers
Hộp đựng 3 bi đỏ, 5 bi trắng và 7 bi xanh lấy ngẫu nhiên 2 bi. Tính xác suất? a, Có 1 bi đỏ trong 2 bi lấy ra b, Có ít nhất 1 bi
Vikentia [17]

Answer:

a) 3C1 * 12 C1 / 15 C2

b)  1 - 12C2 / 15C2

Step-by-step explanation:

Được

Viên bi đỏ = 3

Viên bi trắng = 5

Viên bi xanh = 7

Hai quả bóng được rút ra một cách ngẫu nhiên

a) Có 1 bi đỏ

3C1 * 12 C1 / 15 C2

b) Có ít nhất 1 viên bi đỏ trong số 2 viên lấy ra.

Số kết quả của việc chọn hai quả bóng trong số 15 quả bóng = 15 C2

Số kết quả của việc chọn 0 quả bóng đỏ = 15C12

Xác suất chọn được ít nhất 1 viên bi đỏ = 1 - 12C2 / 15C2

5 0
2 years ago
How do i solve this step by step? <br><br> 3( q – 3 ) = 6
mote1985 [20]

Answer:

3q-9=6

3q=9+6

3q=15

q=5

7 0
3 years ago
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