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ziro4ka [17]
3 years ago
12

Shanley would like to give $5 gift cards

Mathematics
1 answer:
Serjik [45]3 years ago
4 0

Answer:

$5x + $4y ≤ $120

let x = 10

y = 5

$70  ≤ 120

Step-by-step explanation:

Note that

> means greater than

< means less than

≥  means greater or equal to

≤ means less than or equal to

the total amount Shanley has is $120. She can spend less than this amount or the amount exactly. So, the inequality sign to be used is ≤

$5x + $4y ≤ $120

let x = 10

y = 5

(50) + 20  ≤ 120

$70 ≤  120

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PLEASE HELP I RLLY DONT KNOW WHAT TO DO
Jlenok [28]

Answer:

a) f(0) = -9

b) f(2) = -5

c) f(-3) = -15

d) f(1/2)=-8

Step-by-step explanation:

We are given the function f(x)=2x-9 and we need to find the following:

a) f(0)

For finding f(0) put x =0 in the given function

f(x)=2x-9\\Put\:x=0\\f(0)=2(0)-9\\f(0)=-9

So, we get f(0)=-9

b) f(2)

For finding f(2) put x =2 in the given function

f(x)=2x-9\\Put\:x=2\\f(2)=2(2)-9\\f(2)=4-9\\f(2)=-5

So, we get f(2)=-5

c) f(-3)

For finding f(-3) put x =-3 in the given function

f(x)=2x-9\\Put\:x=-3\\f(-3)=2(-3)-9\\f(-3)=-6-9\\f(-3)=-15

So, we get f(-3)=-15

d) f(1/2)

For finding f(1/2) put x =1/2 in the given function

f(x)=2x-9\\Put\:x=\frac{1}{2}\\f(\frac{1}{2})=2(\frac{1}{2})-9\\f(\frac{1}{2})=1-9\\f(\frac{1}{2})=-8

So, we get f(1/2)=-8

5 0
3 years ago
Can someone help me with these problems
Aleks [24]

Answer:

Number 3

A= -6

B= the third one

4. for this one, just do -1, 0, 1, 2, 3, 4

6 0
3 years ago
Read 2 more answers
together,sarah's two cats have the same mass as her dog,11 kg.the mass of one cat is 1500 g greater than the mass of the other.
Alika [10]
Let (a) be the first cat
let (b) be the second cat
a +b=11kg-----(1)
a=b+1500g⇒(1.5 kg)-------(2)
so now u have a system of two unknowns
a=11-b
substitute a in (2)
11-b=b+1.5
11-1.5=2b
2b=9.5
b=9.5/2=4.75
subs. b in (1)
a+b=11
a+4.75=11
a=11-4.75=6.25
so cat (a) is 6.25 kg
and (b) is 4.75 kg
hope I helped



6 0
3 years ago
The 7 grade student at palm coast muddle school made some apple pies for a bake sale . the school cafeteria also donated 9 pies
Reil [10]

Answer:

The students baked 19 pies.

Step-by-step explanation:

Least total pieces of pies sold = 224

Number of pies donated by school cafeteria = 9

Number of pieces of pies donated by school cafeteria = 9×8 = 72

Number of pieces of pies baked = 224 - 72 = 152

Number of pies baked = 152 ÷ 8 = 192

4 0
3 years ago
Read 2 more answers
- Find the LCM of<br>1) 8 and 20​
Ugo [173]
Answer: 40


Explanation: The least common multiple (LCM) of 2 numbers is the smallest number that they both divide evenly into.
The smallest number that both 8 and 20 divide evenly into is 40.

4 0
3 years ago
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