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Scorpion4ik [409]
3 years ago
11

Please can someone solve this​

Mathematics
1 answer:
Leni [432]3 years ago
7 0

Answer:

45

Step-by-step explanation:

2a+3b=15, multiply everything by 3

3(2a+3b)=3(15)

6a+9b=45

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$4.30 for make up; 40% dicount; 6% tax
Wittaler [7]
$4.30X40%=1.72
4.30-1.72=2.58
2.58X6%=.15
2.58+.15=2.73
Final price: $2.73
6 0
3 years ago
Check all that apply
lozanna [386]

Answer:

D. be congruent

Step-by-step explanation:

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3 0
3 years ago
What is the ratio of flour to butter in it’s simplest form
miskamm [114]

Answer: you can’t really answer this because you have to how many bags of flour and how many boxes of butter that you have and then youll be able to solve

Step-by-step explanation: maybe if you reword it and edit your question then it’ll make more sense

4 0
3 years ago
What is the area of an isosceles trapezoid, if its shorter base has length of 18 cm, the length of the altitude is 9 cm, and the
padilas [110]

The formula for the area of a triangle of base b and altitude h is A = (1/2)(b)(h).

Here, b = 18 cm and h = 9 cm.  Thus, the desired area is:

        (18 cm)(9 cm)

A = ----------------------- = 81 cm^2

                  2

This problem gives you more info than is needed to solve it.  The area of the given triangle is 81 cm^2.

5 0
3 years ago
Last year, Frank earned $7.48 per hour. This year the company decided to give him a 30% increase in his hourly rate. How much is
liraira [26]

Answer:

B 9.72

Step-by-step explanation:

If we imagine 7.48 is 100% Then we can use multiply and divide to find 30%. It goes like this. x/7.48 = 30/100. Where x is the unknown. Take 30 times 7.48 which is 224.4 then divide by 100 we get 2.24 dollars. Added to 7.48 we get 9.72

5 0
3 years ago
Read 2 more answers
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