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Anika [276]
2 years ago
9

Josh has 212 baseball cards. He buys 12 more packs of baseball cards, with 15 cards in each pack. How many cards does Josh have

altogether after buying the new packs?
Mathematics
2 answers:
geniusboy [140]2 years ago
8 0

212 + 15p

212 + 15(12)

212 + 180

=392 \: cards

Rainbow [258]2 years ago
7 0

Answer:

Step-by-step explanation:212+(12x15)

212+180=392

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Graph - 9x + 6y = 18 using linear standard form
postnew [5]

Answer:

The graph is attached Below and the plotting is given below.

Step-by-step explanation:

Given:

-9x + 6y = 18

Solution:

To draw a line on a graph the required minimum two points but here we will have three points as point A, point B, and point C.

For point A

Put x = -4 in the given equation we get

-9×-4 + 6y = 18

6y = 18-36

∴ y=\frac{-18}{3}\\ \\y=-3

∴ Point A ≡ ( -4, -3 ).

For point B

Put x = -2 in the given equation we get

-9×-2 + 6y = 18

6y = 18 - 18

6y = 0

∴ y=\frac{0}{3}\\ \\y=0

∴ Point B ≡ ( -2, 0 ).

For point C

Put x = 0 in the given equation we get

-9×0 + 6y = 18

6y = 18

∴ y=\frac{18}{3}\\ \\y=3

∴ Point C ≡ ( 0, 3 ).

Now we have Point A ,B and C join it and you will have Line.

3 0
3 years ago
State weather ADB~CDB, and if so , explain how you know
algol13

Answer:

SAS

Step-by-step explanation:

AD = DC             Given

<ADB = <CDB    Givien

BD = BD              Reflexive property.

The angle is between the 2 sides. The triangles are congruent by SAS.

7 0
3 years ago
Which of the following functions f : {0, 1, 2, 3} ! {0, 1, . . . , 7} are one-to-one?
allsm [11]

Answer:

1. No.

f(0)=0\\1^2=1; \text{then } f(1)=1\\2^2=4\equiv 4 \text{ mod 8}; \text{then } f(2)=4\\3^2=9\equiv 1 \text{mod 8 }; \text{then } f(3)=1

Since f(1)=f(3) and 1\neq 3 then f isn't one-to-one.

2. No

f(0)=0\\1^3=1\equiv 1\text{ mod 8}; \text{then } f(1)=1\\2^3=8\equiv 0\text{ mod 8}; \text{then } f(2)=0\\3^3=27\equiv 3 \text{ mod 8}; \text{then } f(3)=3

Since f(0)=f(2) and 0\neq 2 then f isn't one-to-one.

3. No

0^3-8=-8\equiv 0\text{ mod 8}; \text{then } f(0)=0\\1^3-8=-7\equiv 1\text{ mod 8}; \text{then } f(1)=1\\2^3-8=0\equiv 0 \text{ mod 8}; \text{then } f(2)=0\\3^3-8=27-8=19\equiv 3 \text{ mod 8}; \text{then } f(3)=3\\

Since f(0)=f(2) and 0\neq 2 then f isn't one-to-one.

4. Yes

0^3+2*0=0; \text{then } f(0)=0\\1^3+2*1=3\equiv 3\text{ mod 8};  \text{then } f(1)=3\\2^3+2*2=8+4=12\equiv 4 \text{ mod 8};  \text{then } f(2)=4\\3^3+2*3=27+6=33\equiv 1\text{ mod 8};  \text{then } f(3)=1

Since f(0)\neq f(1)\neq f(2) \neq f(3), then f is one-to-one

5. Since f(1)=f(3) and 1\neq 3 then, f isn't one-to-one

3 0
3 years ago
A van can travel 18 miles on each gallon of gasoline. At that rate how many miles can the van travel on 15 gallons of gadoline
Anit [1.1K]
If 18 miles is the unit rate, you would multiply 18 and 15. 270. The new rate would simply be 270 miles for every 15 gallons of gasoline.
4 0
2 years ago
Read 2 more answers
Selena bought 5.62 pounds of meat for $3.49 per pound. What is the total cost of the meat
Harman [31]

Answer:

$19.61

Step-by-step explanation:

To find how much Selena spent, multiply the amount by the price per pound. She spent 5.62 (3.49) = $19.61.

3 0
3 years ago
Read 2 more answers
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