Answer:
5(7 + 6s - 9t)
Step-by-step explanation:
35 + 30s – 45t =
= 5(7 + 6s - 9t)
Answer:
The value of L×B is 15
Step-by-step explanation:
L×B
5×3
15
Answer:
Perimeter of rectangle:
Step-by-step explanation:
We are given the following in the question:
Length of rectangle:

Width of rectangle:

Perimeter of rectangle:

Expressions to calculate perimeter

The attached image shows the image of the rectangle.
Answer:
55.82 cm
Step-by-step explanation:
d1= 8.72 cm
a= 15.6 cm
A rhombus= 1/2*d1*d2 = A square
A square= 15.6²= 243.36 cm²
d2= 2A/d1= 2*243.36/8.72 ≈55.82 cm
Answer:

Step-by-step explanation:
Let x represent the number of lawns Jacob mowed and y represent the number of dogs Sarah walked.
Jacob charges $20 each time he mows a lawn, then he earns $20x for x lawns mowed.
Sarah charges $10 each time she walks a dog, then she earns $10y for y dogs walked.
In total, they will earn $(20x + 10y). They need at least $2000 in order to go on a trip, then

Note that 