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mel-nik [20]
3 years ago
9

Combine like terms to simplify the expression 9/8a + 4/8a - 5/8

Mathematics
1 answer:
svet-max [94.6K]3 years ago
6 0

Answer:

13/8a - 5/8

Step-by-step explanation:

the only terms you can combine are 9/8a and 4/8a. You can add the fractions together to create 13/8a. the -5/8 can't be combined since it doesn't have an a

13/8a - 5/8

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A florist gathered data about the weekly number of flower deliveries he made to homes and to businesses for several weeks. He us
shutvik [7]

Answer:

The number of deliveries that are predicted to be made to homes during a week with 50 deliveries to business is 87 deliveries

Step-by-step explanation:

The data categorization are;

The number of home deliveries = x

The number of delivery to businesses = y

The line of best fit is y = 0.555·x + 1.629

The number of deliveries that would be made to homes when 50 deliveries are made to businesses is found as follows;

We substitute y = 50 in the line of best fit to get;

50 = 0.555·x + 1.629 =

50 - 1.629 = 0.555·x

0.555·x = 48.371

x = 48.371/0.555= 87.155

Therefore, since we are dealing with deliveries, we approximate to the nearest whole number delivery which is 87 deliveries.

4 0
3 years ago
In ΔPQR, the measure of ∠R=90°, QR = 61 feet, and RP = 90 feet. Find the measure of ∠P to the nearest degree.
julia-pushkina [17]

Step-by-step explanation:

given= in triangle PQR,<R=90⁰ QR=61 FEET RP=90 FEET

by using pythagoras therom ;

(hypotenuse)²=(side1)² +(side2)²

(PQ)²=(PR)²+(QR)²

(PQ)²=(90)² + (61)²

(PQ)²=8100 + 3721

(PQ)²=11821

<em>T</em><em>A</em><em>K</em><em>I</em><em>N</em><em>G</em><em> </em><em>S</em><em>Q</em><em>U</em><em>A</em><em>R</em><em>E</em><em> </em><em>R</em><em>O</em><em>O</em><em>T</em><em>S</em><em> </em><em>O</em><em>N</em><em> </em><em>B</em><em>O</em><em>T</em><em>H</em><em> </em><em>S</em><em>I</em><em>D</em><em>E</em><em>S</em><em>,</em><em> </em><em>W</em><em>E</em><em> </em><em>G</em><em>E</em><em>T</em><em>;</em>

PQ= 108 feet

<P = thita

sin ⁰ = opposite/hypotenuse

sin⁰ =QR/PQ

SIN⁰ =61/108

SIN⁰ =0.56

there amgle P measures 0.56 degree

7 0
3 years ago
Read 2 more answers
Nine less than the product of 4 and a number is 23
borishaifa [10]

Step-by-step explanation:

4x - 9 = 23

4x = 32

x = 8

the number is 8.

7 0
3 years ago
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38% out of all seventh graders have taken swimming lessons. there are 250 students in the seventh grade. How many of them have t
stellarik [79]
The answer is 90 10% 25 30% 75% 1% 2.5 8% 20 75+ 20= 90
3 0
4 years ago
9.
elixir [45]
The first one. Hope this helps
Be glad to tell me if it’s correct or not
7 0
4 years ago
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