2 years ago

When you realize you have this one week to get your work done before you fail but your on brainly instead.....

Mathematics

1 answer:

Andrej [43]2 years ago

5 0

Answer:

same for me too here loll

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A tennis instructor chargers $40 for each one hour lesson and $25 for each half hour lesson if the instructors I come from 35 le

kaheart [24]

X = 1 hr lessons and y = 1/2 hr lessons

x + y = 35......y = 35 - x
40x + 25y = 1115

40x + 25(35 - x) = 1115
40x + 875 - 25x = 1115
40x - 25x = 1115 - 875
15x = 240
x = 240/15
x = 16 <=== there are 16 one-hr lessons
and 19 half-hr lessons

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3 years ago

A jewelry store is having a 40% off sale for all necklaces. During this sale, what is the cost of a necklace that regularly cost

ELEN [110]

Answer: 18 dollars

Step-by-step explanation:

0.40 times 45 = 18 dollars

6 0

2 years ago

Solve absolute value<br>-5 | 10x+9 | +3 =8

Harman [31]

Answer:

0.1

Step-by-step explanation:

-5|10x+9|+3=8

note: absolute value means positive

-5+10x+9+3=8

collect like terms

9+3-8-5=-10x

12-13=-10x

-1=-10x

x=-1/-10

x=1/10

x=0.1

Hope i helped

pls mark brainliest

8 0

1 year ago

Identify the lateral area and surface area of a regular triangular pyramid with base edge length 14 cm and slant height 15 cm.

sattari [20]

How did you get 315.

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3 years ago

Which expressions are equivalent to the one below. Check all that apply. 16^x

madam [21]

$A.\ 4^x\cdot4^x=4^{x+x}=4^{2x}\qquad\text{used}\ a^n\cdot a^m=a^{n+m}\\\\B.\ 4^{2x}=(4^2)^x=16^x\qquad\text{used}\ (a^n)^m=a^{nm}\\\\C.\ 4^2\cdot4^x=4^{2+x}\\\\D.\ (4\cdot4)^x=16^x\\\\E.\ 4\cdot4^{2x}=4^{1+2x}\\\\F.\ 4\cdot4^x=4^{1+x}\\\\Answer:\ \boxed{B.\ and\ D.}$

3 0

3 years ago